PDF malware analysis — malicious · 45e60f59bfa41b2a

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: 8d7697287db834a721c73710e0caed3a SHA-1: 3ba00d4aafdded2f223860d1ea1ef2c90c662310 SHA-256: 45e60f59bfa41b2a181cfd437208eaf988591eabd775951c7f6b55a077de5fd3

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript with multiple obfuscation techniques, including string concatenation and the use of eval(). Heuristics indicate a PDF JavaScript action and an eval() call, strongly suggesting the execution of malicious code. The ClamAV detection 'Pdf.Exploit.Agent-36118' further confirms its malicious nature. The script's primary function appears to be the execution of further code via eval(), likely to download and execute a second-stage payload.

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` `2cf3950ad02e877370f800d4f70586f89f5be0dafffa13b1a039c6ad0e6c12ee`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13410 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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