PDF malware analysis — malicious · eec08ce358d19847

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: 0607b8f85ed27177bf9403cfbe5c19d8 SHA-1: cfb2a75871b6d851a8666ee89ac58d84b7190996 SHA-256: eec08ce358d198473cd16352118403c50001613cb8553e54cf44f5101ac6d2bf

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file contains embedded JavaScript that utilizes an eval() call, a common technique for executing arbitrary code. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically targeting PDF vulnerabilities. The JavaScript appears to be obfuscated, but the presence of eval() and the ML/ClamAV flags suggest it's designed to download and execute a secondary payload. The document body contains strings related to Scribus, but this is likely a lure or misdirection.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `018a36d98cdd4c271cca66c061223b3780cdcb9393add34a64117147d556cb41`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13339 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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