PDF malware analysis — malicious · 32549134c9f61174

MALICIOUS

PDF

4.5 KB Created: 2008-08-06 01:42:27 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: 097549aa7bee170e6bddb38e239c35ec SHA-1: 37218eaf68b4debc2ead5537d528b4c8c756710e SHA-256: 32549134c9f611741ad2c75efedae8b2d144d2f6174e33ec8ef4c9fa974b92e6

88 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier strongly flags this PDF as malicious. The presence of an eval() call within the JavaScript suggests code execution, likely to download and execute a second-stage payload. The extracted artifact 'javascript_obj0013_001.js' is also suspicious.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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_001.js` `8c2cb657e63eaf9a071a7491e74dc2d56a8a15274433c910e0921d431e2ee2d5`	pdf-javascript-stream	PDF /JS object 13 at offset 0x369	6224 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s).

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