PDF malware analysis — malicious · a3030ab669c5ea14

MALICIOUS

PDF

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

MD5: 0eb2dc28bfcf561b0eaef27b7d2bbdbc SHA-1: 6a2b3271570c0c006a9b66c861d2478f354bebc3 SHA-256: a3030ab669c5ea1435e54b9cea269446653005b8b3483a8ee06d00300d10539e

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF document detected as malicious by ClamAV (Pdf.Exploit.Dropped-94) and a machine learning classifier. It contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. This JavaScript is likely responsible for downloading and executing a secondary payload, a common technique for PDF-based malware delivery. 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` `b1dd0881d86da8f7f71ebc5ca240751ccd7b57aa4bdd2e7d863c5af7407068e8`	pdf-javascript-stream	PDF /JS object 76 at offset 0x99C	45914 bytes

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