PDF malware analysis — malicious · abade252bc256950

MALICIOUS

PDF

3.0 KB

MD5: 21486c6e69a2b7dfecfba65c9f420671 SHA-1: bdd6e8b363d534c84214fb9f63490af9cc4d5a57 SHA-256: abade252bc256950bc04c454bb550b29fec89946e1b57e223d2998a16093397e

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File Execution: Malicious File Execution

The PDF file contains embedded JavaScript that is obfuscated using unescape() and exploits the CVE-2009-4324 vulnerability via the media.newPlayer object. This indicates the file is designed to execute arbitrary code upon opening in a vulnerable PDF reader. No specific malware family could be identified.

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` `3463273a03a20a0ca8a5f0b1a7df1796cebd2f2b8d9fd3e50286ec2038f44e65`	pdf-javascript-stream	PDF /JS object 6 at offset 0x199	2044 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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