PDF malware analysis — malicious · b4297478e0fd416c

MALICIOUS

PDF

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

MD5: b34ef5cd0d05b13bf869b29eb60b1529 SHA-1: acf017df8a7aa95568784dfb8ed10d005e04692f SHA-256: b4297478e0fd416ced4edb9e5ac25f7b945030901ae71f8099cc644b6d117c9b

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 JavaScript

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 an embedded JS stream, suggesting the PDF is designed to execute malicious code. The ML classifier's high confidence score further supports this assessment.

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` `29cf08b93c16198611d049cb7071b3b2b06ff5ef8c0f6fc363c82e36552ec6b0`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45622 bytes

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