PDF malware analysis — malicious · 8f73addfec00f152

MALICIOUS

PDF

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

MD5: 0f2d8465711b782add3ee64b5ff9f936 SHA-1: aa7b18319ec72b6f923bc9d64a89a1a93d7597a0 SHA-256: 8f73addfec00f152363958c683fc0df1d89283e8a57d3be972fb6aa29585b4c6

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF document identified as malicious by ClamAV (Pdf.Exploit.Dropped-94) and a machine learning classifier. It contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. The presence of JavaScript suggests an attempt to exploit a vulnerability within the PDF reader to execute arbitrary code, likely for downloading and executing a secondary payload. The document body content is not indicative of a specific lure.

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` `404f78b1d01e32e29a296e454864dde37575e94d6bbebc76827ab3b0af03c7d8`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45284 bytes

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