PDF malware analysis — malicious · d576572632ec388d

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: cca9e753cf3e765f6139794289951c8f SHA-1: 39efe4be06d6768683cc0f1ee063cc1030dfc839 SHA-256: d576572632ec388d255582f30a5169651d5bf18e15dab60b2c896b93193ee1ec

158 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file contains embedded JavaScript and is configured with an OpenAction trigger, indicating an attempt to automatically execute code upon opening. A critical heuristic firing for CVE-2009-4324 (media.newPlayer) suggests exploitation of a known vulnerability. The embedded JavaScript file, javascript_obj0013_001.js, likely contains the exploit code or a downloader for a second-stage payload. The document body text appears to be obfuscated script content rather than user-readable text.

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` `2f28b90f5efc61257ebb1dd028ed611585601e7d7af4b8b0e430db039d3ae4fa`	pdf-javascript-stream	PDF /JS object 13 at offset 0x390	2588 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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