PDF malware analysis — malicious · 0f96a8ca8058f67d

MALICIOUS

PDF

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

MD5: f871e30c787542746c1e479cb6b4a8d0 SHA-1: 096ea21445ce90801ea4a8ae27e5876d6e9c5a57 SHA-256: 0f96a8ca8058f67d247e9f56191fdc72f4cac05fe8cf0f33157831647922c96d

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF contains embedded JavaScript, flagged by multiple heuristics and a high ML score, indicating malicious intent. The ClamAV detection name 'Pdf.Exploit.Dropped-94' further supports this. The JavaScript appears to be obfuscated but is designed to download and execute a secondary payload, a common technique for malware delivery.

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` `286174b1af1be7936f05704eb3c164597643ae386c8eb4f1b7b1922775cd7e6f`	pdf-javascript-stream	PDF /JS object 76 at offset 0x955	50652 bytes

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