PDF malware analysis — malicious · 34bb8e1ff5fdcb7a

MALICIOUS

PDF

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

MD5: 4415a281cd7b60e987ddbc7c4986bda9 SHA-1: 3db78a2576aebd957f7e70cbfb2968eca609d64a SHA-256: 34bb8e1ff5fdcb7a2ab5d17158289a13506c872551d98277c3f2c62be5d752f5

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript with multiple obfuscation layers, including eval() calls and string concatenation. The ClamAV detection 'Pdf.Exploit.Agent-36118' and the heuristic firing for PDF_EVAL indicate the presence of an exploit. The JavaScript is designed to execute arbitrary code, likely downloading and running a second-stage payload. The document body itself does not contain user-facing text but rather script-related data.

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` `c76e10105376d23cce6675e789d7f844c25666393b5198989218d971af8fd62a`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13090 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 16 long base64-like blob(s).

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