PDF malware analysis — malicious · 3f6eafacff09d211

MALICIOUS

PDF

3.2 KB

MD5: af69d8a88428f0924c3b3056a139b617 SHA-1: 9e35b8d9c7c2d64b5f8b355016ca6c8bdbb82835 SHA-256: 3f6eafacff09d21106085eb7492cb233b5f00010fedddd8c21e25797a2d640f5

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-4324, indicating an attempt to exploit a known vulnerability. The embedded JavaScript, identified as 'javascript_obj0006_000.js', is likely responsible for downloading and executing a secondary payload. The ClamAV detection further supports the malicious nature of the file.

Heuristics 6

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. (matched in decompressed stream)
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `c0131fd3c1279040e0128db0dfe7fdd2ad078e160ca24140762587f10f1c0fee`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1A7	2143 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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