PDF malware analysis — malicious · acf95bf965c0cf6a

MALICIOUS

PDF

59.2 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: lice (via ubst)

MD5: d1594945bc22c2fab4ed7fc5c0fbecc4 SHA-1: ff05e18531fa74808c31e685eb69bbf7501aa3cc SHA-256: acf95bf965c0cf6af054a7113d05ca312e38d4236e76d05020acc5507d517609

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File

The PDF was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection as 'Pdf.Exploit.Dropped-94'. It contains embedded JavaScript, indicating an attempt to execute malicious code. The JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to download and execute a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Dropped-94 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Dropped-94
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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0076_000.js` `0a77b1cf6cbac59422acd5d8432f521ea62d94bc9b8d482d75ba5c795dc1c902`	pdf-javascript-stream	PDF /JS object 76 at offset 0x955	50667 bytes

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