PDF malware analysis — malicious · 37e8c49f9032b18f

MALICIOUS

PDF

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

MD5: ba9e12ead7db28b7a18933adb1c713ff SHA-1: 47c9817b70edf25989852c6fd3f498027ca2dc48 SHA-256: 37e8c49f9032b18f6ef7aa871e351d2cb471f88f1fa7481526527e870abc7eea

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as a malicious PDF by ClamAV (Pdf.Exploit.Dropped-94) and a machine learning classifier. Heuristics indicate the presence of JavaScript actions and embedded JS streams, suggesting the PDF is designed to execute malicious code. The ML classifier's high confidence score further supports its malicious nature. The embedded JavaScript is likely responsible for exploiting a vulnerability or downloading 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` `b35eee93779510ac7cf58a14c0325f1c389d3a0b36e7c27ca53b87e22556ae35`	pdf-javascript-stream	PDF /JS object 76 at offset 0x999	45161 bytes

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