PDF malware analysis — malicious · bd2182c73141feab

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: 668a950640f733a94bb1db1289054396 SHA-1: ebedb2fb0c034a21609b0c4ee711dbdac3c9f7c6 SHA-256: bd2182c73141feab4e0a475098e2bf46e0af60e55553c3daba26e02d6616f49e

158 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF document contains embedded JavaScript, triggered by an OpenAction, and utilizes the unescape() function. A critical heuristic identified the CVE-2009-4324 vulnerability related to media.newPlayer, indicating the script likely attempts to exploit this to download and execute a second-stage payload. The extracted artifact 'javascript_obj0013_001.js' is also flagged for obfuscation.

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` `0776ec2e62f4adbdb0ab865d62f34583fd7212e2927069515bc96677a9838a68`	pdf-javascript-stream	PDF /JS object 13 at offset 0x399	2633 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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