PDF malware analysis — malicious · b5680f0adc0b4ab8

MALICIOUS

PDF

47.9 KB Created: 2006-02-16 15:03:51 -08:00 Authoring application: Acrobat PDFMaker 7.0.5 for PowerPoint (via subst)

MD5: 1613110627a55505a90baa844a3cdc47 SHA-1: 8d4eee9f64160d650693fea750969a25fe9ea8ad SHA-256: b5680f0adc0b4ab8c6ef82a1f6af919c2c2829e6cbaeb9dd23d25c1ff6ea42da

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

This PDF was flagged as malicious by ML classifiers and ClamAV with the signature Pdf.Exploit.Dropped-94. It contains embedded JavaScript, indicating it likely attempts to exploit PDF vulnerabilities to download and execute a second-stage payload. The ML classifier output of 0.999989 strongly supports the malicious classification.

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` `2cf74f8142a4eae1604cc59b640f6cda29647f7d5c55cc2bc38d495a44086e8f`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	46266 bytes

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