PDF malware analysis — malicious · 7a100923b495c3eb

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: e66fcdfc0feee7e51382f59e2fed141d SHA-1: 3fc80ff8de6a9cdf4967db07d261e763b81d6719 SHA-256: 7a100923b495c3ebbbb51c72f5dd0d6a74130b13baf030e77379d63a3e770bc0

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a high-severity ML classifier and a critical ClamAV detection for 'Pdf.Exploit.Dropped-94'. The presence of embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics, suggests an attempt to execute malicious code. While the specific JavaScript content is not detailed, its presence in a detected exploit PDF strongly implies it's used to download and execute 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` `f567e2ec714e12a7dfae0fb7b12fb6a3d3d3a62cf7712c9b72a9fed794eb6de1`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45561 bytes

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