PDF malware analysis — malicious · 32710ee1d5fa8f0a

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: 29bee07852a5ac367949ef91f6d7d2b5 SHA-1: 4cfbf8d8b71530914fddfaea6253e8dcd94a1089 SHA-256: 32710ee1d5fa8f0ae6ce8a49daea648b37a5f8c6b60348067ec11914980164f2

158 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript triggered by an OpenAction, which is a common technique for exploiting vulnerabilities. The critical heuristic firing for CVE-2009-4324 (media.newPlayer) indicates a specific exploit is present. The embedded JavaScript, although obfuscated, is likely designed to download and execute a secondary payload, contributing to the malicious nature of the document. The presence of JavaScript and the exploit suggests a drive-by download attack pattern.

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` `3c11ebad2cf8dbb819d9904b65fa603bfd567dc5fefddc42cb4aca10e8c8d89a`	pdf-javascript-stream	PDF /JS object 13 at offset 0x398	2650 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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