PDF malware analysis — malicious · 40ca0e56740b22de

MALICIOUS

PDF

12.3 KB Created: 2010-03-18 12:50:26 Authoring application: Lecjebegidirejpa (via Sevalibgobo)

MD5: 001eceb1176799bd8b7d678c529e132c SHA-1: 8ce003e285f00f276ecfc47b292d098d654d47a4 SHA-256: 40ca0e56740b22de34a1b7f3aa1403de71f3508e7002892600f76d7d47e70df0

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identified as Pdf.Dropper.Agent-7253901-0. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for PDF-based malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Dropper.Agent-7253901-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7253901-0
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_obj0020_000.js` `2445fd61cdc884d994970ed55f9e8e7f050974a5cf9635224b66e66da8d84b77`	pdf-javascript-stream	PDF /JS object 20 at offset 0x2AA5	2786 bytes

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