PDF malware analysis — malicious · ffde9936bcce08c6

MALICIOUS

PDF

3.7 KB

MD5: 9a5eed667fbe5c2108ddafd3153a8ad7 SHA-1: db2df56caf142adfbc0e76c5cf021234c5b56d4e SHA-256: ffde9936bcce08c6e10021ee5d0b7e06f4dd0a32e1d15546a8f3dc1f1efe7b5f

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution

The PDF file contains embedded JavaScript and triggers a critical vulnerability (CVE-2009-4324) related to media player execution. The JavaScript is obfuscated, but the presence of the unescape function and the specific CVE firing indicate an attempt to execute arbitrary code. This likely leads to the download and execution of a secondary payload.

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` `6a3f47db27368e5c7935e892dfcb6084efd31ce339fc4ddf7b3a229eae86ef70`	pdf-javascript-stream	PDF /JS object 6 at offset 0x195	2597 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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