PDF malware analysis — malicious · da3dca05704db845

MALICIOUS

PDF

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

MD5: 0d65830f0a107e364e7820187dfed132 SHA-1: b3f2eb954324ae641a234ee5b8b79cd121dc6665 SHA-256: da3dca05704db845df802d76a01782603cf6f4e5fc9e4242ca26cf1633f60c2d

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ML classifiers and ClamAV with the signature Pdf.Exploit.Dropped-94. Static analysis identified embedded JavaScript, indicating an attempt to exploit PDF vulnerabilities. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, which is 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` `af986bc41fc6dfa496f61af158240a5428b043351dc6222997a8e95533cdedc9`	pdf-javascript-stream	PDF /JS object 76 at offset 0x94B	50067 bytes

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