PDF malware analysis — malicious · 34eac2962ed37e5a

MALICIOUS

PDF

14.5 KB Created: 2008-07-26 19:43:58 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: fc7c5f1c9bef593923b0177ea5f1ab49 SHA-1: 6f4c15d2e9f9dc28d46de9b9ef12e73bb7994023 SHA-256: 34eac2962ed37e5a499929d804bcc3bc7f2720f8838a117ffe66643bfe881df3

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.007 JavaScript

The PDF contains embedded JavaScript with multiple eval() calls, indicating an attempt to obfuscate malicious code. The ML classifier and ClamAV detection strongly suggest this is a malicious PDF exploiting a vulnerability. The JavaScript is heavily obfuscated, but the presence of eval() and the ML/ClamAV findings point to it being used to download and execute a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36118 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36118
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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_000.js` `1059daaaf61b3b2ed04fc0f88c8f5f83d14b4f917f8106d769a0d5e93377ce93`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13278 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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