PDF malware analysis — malicious · b954827430543a30

MALICIOUS

PDF

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

MD5: 4ebbb2666466374256a81d5e9ff6b76e SHA-1: f9216619a920cef0743ccc1415818f91792f63fc SHA-256: b954827430543a307ca64ebc64e7db78b7cbf82edbec0832b156dad81464fe07

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript that utilizes eval() to execute obfuscated code. This JavaScript is likely designed to download and execute a secondary payload, as indicated by the 'Pdf.Exploit.Agent-36118' ClamAV detection and the presence of a suspicious JavaScript object. The obfuscation and use of eval() are common techniques for evading detection and delivering malicious content.

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` `de5b64602b3ebabb636924cd7e918bc90e8a3dd411bf0a2b679f147500a27066`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13457 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 5 long base64-like blob(s).

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