PDF malware analysis — malicious · 249e6421092169f3

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: 21d506149e5d58e53c7aa723ddfd0019 SHA-1: 39c3780c6b43347be356711ae413d7c2971545c0 SHA-256: 249e6421092169f399beecad8df32ecb532e79180e8c901e92e2ed8b64dfa1b6

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, specifically as Pdf.Exploit.Dropped-94. It contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. This JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute arbitrary code, a common technique for delivering further malicious content.

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` `83f363bc93183468d4653b80e508ab32d39b4a3fbccd344f94a437126bd00927`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99B	45471 bytes

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