PDF malware analysis — malicious · ed7f47668ca09e30

MALICIOUS

PDF

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

MD5: e21baf07778fc714a8aa9f5de8e4594c SHA-1: d6f3564bc3c9517f93b106990b161f076c9d4603 SHA-256: ed7f47668ca09e3055ff55cae6d4881890dc7d13b8ad53adeda2b6daf1b85ed3

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ClamAV with the signature Pdf.Exploit.Dropped-94, and a high-confidence ML classifier. Embedded JavaScript actions and streams were detected, indicating the likely execution of malicious code. The primary attack pattern involves exploiting a PDF vulnerability to run this JavaScript, which is expected 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` `c5c48bf25b086065c41f439090b7be4727d85474684357970ac0c6b613121c4a`	pdf-javascript-stream	PDF /JS object 76 at offset 0x94B	50285 bytes

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