PDF malware analysis — malicious · f29605133b1253f7

MALICIOUS

PDF

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

MD5: f7834d0c055c7d6fc4b3157f5a2b359a SHA-1: ad040ada5d9d00a69520bc5c68cceb08495d4f71 SHA-256: f29605133b1253f77f49c15e72514fb22eda38ed72d608accf563144b1d2fdcf

158 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF file contains embedded JavaScript, triggered by an OpenAction, and specifically utilizes the media.newPlayer function, indicating exploitation of CVE-2009-4324. The JavaScript is obfuscated, making its exact payload unclear, but the exploit vector is evident. The file's purpose is to leverage this vulnerability to execute arbitrary code.

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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0001_000.js` `224c00f1ff6b9fb19f4b20df513c955f7e71ccdc884cb622df0049f600a712a7`	pdf-javascript-stream	PDF /JS object 1 at offset 0x16	37 bytes
`javascript_obj0013_001.js` `864b8cdb3158dc70bab4b6f3ab35d0a8e5ceecf679e2c1607ea8512cbea80566`	pdf-javascript-stream	PDF /JS object 13 at offset 0x3A9	2623 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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