PDF malware analysis — malicious · ab0c9b92bc94546d

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: 80f0805bc3fe06aef06b147c009b51d6 SHA-1: f039b4a0a18133308c5bde49ef27e92282f2025a SHA-256: ab0c9b92bc94546da2c389dd7f26fcceedf978657169050f8fb56ced433e1db2

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.007 JavaScript

The PDF file contains embedded JavaScript with multiple eval() calls, indicating an attempt to obfuscate malicious code. The ClamAV heuristic identifies this as 'Pdf.Exploit.Agent-36118', a known exploit. The JavaScript is likely designed to download and execute a second-stage payload, a common technique for initial access.

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` `e49d2c87b7cce91e433d510b90fdf1393b10ddea3dd6d49824de994405b564db`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13422 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 4 long base64-like blob(s).

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