PDF malware analysis — malicious · 44df88efd7933a22

MALICIOUS

PDF

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

MD5: c0c5daba21ceb2c92b536b893def6dda SHA-1: 325bb51e86e1358db15c32ec5b9c8294e9332f1a SHA-256: 44df88efd7933a22cdb4369c88e8a25a50ffae86cafde4f8e4ae206f7662b11f

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF was flagged as malicious by ClamAV (Pdf.Exploit.Dropped-94) and a machine learning classifier with high confidence. It contains embedded JavaScript, indicating it is likely designed to exploit a PDF vulnerability and download a second-stage payload. The presence of JavaScript actions and streams strongly suggests an exploit delivery mechanism.

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` `a788705b7565d98187c2c1bf8dc33d37299397e1d426630dd9cce2cd9ec19b26`	pdf-javascript-stream	PDF /JS object 76 at offset 0x955	50125 bytes

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