PDF malware analysis — malicious · ea4467e3c276a429

MALICIOUS

PDF

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

MD5: b3acc972e9dd8b696c8656e7d4301a9b SHA-1: 3bc83337daa53d9c6007e35e85630a6f83db0151 SHA-256: ea4467e3c276a4298e7e89fa8afcfc53c3bfd93d894128b5db962bc720d9688a

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file was flagged as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript with an eval() call, indicating an attempt to execute arbitrary code. The JavaScript likely attempts to download and execute a second-stage payload, as suggested by the 'ML_NYX_PDF_MALICIOUS' heuristic and the 'Pdf.Exploit.Agent-36118' ClamAV detection name. No specific malware family could be confidently identified.

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` `6a01b1f373555b1761b6b875a9c5f18bd95a106018131117596b8ef01945903d`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13184 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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