PDF malware analysis — malicious · fdd9da03d6d32e2f

MALICIOUS

PDF

3.9 KB

MD5: 0ec46f8f0d3897e1a7703648ed15128c SHA-1: 90e365987cd452bd2988b73b14cdd5b0758489ab SHA-256: fdd9da03d6d32e2f817fec451dff699096e7a5deb5e24409b2be6dd69a617268

318 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file contains embedded JavaScript and triggers multiple critical heuristics related to known PDF exploits (CVE-2009-4324, CVE-2009-0927, CVE-2007-5659, CVE-2008-2992). These exploits leverage PDF features like media.newPlayer, Collab.getIcon, Collab.collectEmailInfo, and util.printf to execute arbitrary code. The deobfuscated JavaScript stream indicates a deliberate attempt to hide malicious functionality, consistent with a downloader or exploit loader.

Heuristics 8

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)
ClamAV: Pdf.Exploit.Agent-36895 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36895
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0014_000.js` `48976b9ada8a2f1bcf2f501cbb17c880b36e840253a59ffcadfbf686a90e82f9`	pdf-javascript-stream	PDF /JS object 14 at offset 0xC09	697 bytes
`info_stride_js_000.js` `ec507565436edf2bffa93a33ebfbe06b9ce9e1972c0b33615e307120aa2daec8`	deobfuscated-js	PDF /Info fields via stride 6	2923 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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