PDF malware analysis — malicious · b74335e5806ff9e7

MALICIOUS

PDF

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

MD5: 625e3a0cb86a6219dfb3e88d7c3c0b87 SHA-1: f4f16d4c23b4367e287db8117d19c715d840a45b SHA-256: b74335e5806ff9e7141026dfa3aba43ab6a6ca6d721c3253ae51307a2ba186c3

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Dropped-94' strongly suggests this is a known exploit. The embedded JavaScript, which is a large 45KB stream, is likely responsible for executing the exploit and downloading a secondary payload, a common technique for PDF-based malware.

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` `028ca156cf1baa9f71df3b331f2d54c024e645bd57263914626749fa1eebde26`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45482 bytes

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