PDF malware analysis — malicious · ba8058ae284c3e3b

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: a51d0ac7b0fa6a8c6a287d522f99548d SHA-1: c00ba92a6f50956a803fcd07ec4df84777fb927f SHA-256: ba8058ae284c3e3b0f0a6a969cfba74c18da7926af1b0839b42c797f3786472b

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file contains embedded JavaScript that utilizes eval() calls, indicating an attempt to execute obfuscated code. The ClamAV detection of 'Pdf.Exploit.Agent-36118' strongly suggests a known exploit. The JavaScript is heavily obfuscated, but the presence of eval() and the exploit detection point towards a downloader or dropper functionality. The file's structure and heuristics suggest it's designed to leverage a PDF vulnerability to achieve code execution.

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` `a52df21e43b45879bc51d556d3791e9c214778219685cc914e1b2b0b5398bd94`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13420 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 2 long base64-like blob(s).

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