PDF malware analysis — malicious · 2aebd460731182fe

MALICIOUS

PDF

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

MD5: 881cd73b39f515b8b28c2cebad099c06 SHA-1: 1852b080d03ccbd1a2076d50e999432f1940bad7 SHA-256: 2aebd460731182fe2015f31118d3fae991d008a1c11dd9a24ec7125bf0fe9afd

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript with multiple eval() calls, indicating obfuscated code execution. The ClamAV heuristic identifies it as 'Pdf.Exploit.Agent-36118', strongly suggesting it's a known exploit. The JavaScript is designed to execute arbitrary code, likely downloading and running a secondary payload. The presence of PDF-specific heuristics like PDF_JAVASCRIPT, PDF_JS, and PDF_EVAL further supports this attack pattern.

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` `2925298cec908190d7febe231f060cbaff574ea2cce12c7156eb7f04cfcfada8`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13587 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 10 long base64-like blob(s).

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