PDF malware analysis — malicious · bd58d1b47b8ffefa

MALICIOUS

PDF

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

MD5: 06bc3f0c43c4ddf14422212d79659428 SHA-1: f393c35201ce3247e535b3eac55ecb40231a9bef SHA-256: bd58d1b47b8ffefa95d6f7a611e320e6967862ef96cb8b7293911012f829a98d

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF sample contains embedded JavaScript with multiple eval() calls, indicating obfuscation and malicious intent. The ML classifier and ClamAV detection strongly suggest this is a malicious PDF exploiting a vulnerability. The JavaScript appears to be constructing and executing code, likely to download and run a second-stage 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` `e2ede4890a1607fbfbc79640a37815974aed0ef0a54063e669553c4ba153b368`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13350 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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