PDF malware analysis — malicious · 1c6daef48f1f6f38

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: 7cfc9f0350c3a805dd0bcaa4c76abddc SHA-1: 974ebe1c93d6a0cc2f1a505ab25a29975689ad73 SHA-256: 1c6daef48f1f6f38803af7ab7e3405189116416a75690975af4fe3df74273eb8

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 'Pdf.Exploit.Agent-36118' strongly suggests a known exploit. The JavaScript is designed to reconstruct and execute code, likely to download and run a secondary payload, which is a common technique for initial access or further infection. The presence of JavaScript actions and embedded JS streams further supports this attack vector.

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` `330eab0acf869c64f9414c639e992c7fcead8777e5b0a483b29e674022e94dd0`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13399 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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