PDF malware analysis — malicious · 32cccabc2b0b1e32

MALICIOUS

PDF

4.0 KB Created: 2008-31-20 53:85:00 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: 6814223799f20d3208ed3495892e7d00 SHA-1: 5a11c0e16dc516d43470c239782be80aaf362730 SHA-256: 32cccabc2b0b1e3210e4b635138ffdb293672972a89fbd227157184764939b0f

158 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains embedded JavaScript triggered by an OpenAction, indicating an attempt to exploit vulnerabilities. Specifically, the 'media.newPlayer' heuristic firing points to CVE-2009-4324, a known vulnerability in Adobe Reader. The embedded JavaScript stream, although obfuscated, is likely responsible for executing the exploit. No specific malware family is identifiable from the available evidence.

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.
OpenAction trigger high PDF_OPENACTION

PDF has an /OpenAction — code runs automatically when opened
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
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_obj0013_001.js` `65c0a4ffad0c939c07a46e817ec600a3f7ad822f757d9b8de265588e9ceb10bc`	pdf-javascript-stream	PDF /JS object 13 at offset 0x393	2593 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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