PDF malware analysis — malicious · fb78b260c75f9a87

MALICIOUS

PDF

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

MD5: c05d4b7da1cecc0845c7a2337ca2f05a SHA-1: d63d63382b1bc5d513f8a77c4bd4a9c0bdf9b4b8 SHA-256: fb78b260c75f9a87496998eb36a44a918d388cf49369bcf744a78f60001e74ac

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as 'Pdf.Exploit.Dropped-94'. Static analysis revealed embedded JavaScript, indicating an attempt to execute malicious code. The presence of JavaScript actions and streams strongly suggests the PDF is designed to exploit vulnerabilities or deliver 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` `ca00d94add13d799538fe680bd996da3e649077eb4260d32097cb165787fed5f`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45718 bytes

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