PDF malware analysis — malicious · c5475ea61952e894

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: ae314849c467c09d3edba0fb2cf1dd4c SHA-1: 3fc0727ba43ed8fcbd72f327256d84e4a6e0126c SHA-256: c5475ea61952e894091b35dba77fd25540cee0763b712bb36889c0e28dccdbbd

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF document flagged by ClamAV as Pdf.Exploit.Dropped-94 and a machine learning classifier. Heuristics indicate the presence of embedded JavaScript, which is often used to exploit vulnerabilities and download further malicious content. The ML classifier's high confidence score further supports the malicious nature of this PDF.

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` `b80d31797bbf4f8c9d6b696f47dcfcd40eed45aff0987142d30dd74af15bc7e1`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45622 bytes

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