PDF malware analysis — malicious · 2dc88f96999c733d

MALICIOUS

PDF

14.5 KB Created: 2009-11-15 19:41:70 Authoring application: PDF Library 4.3.9 (via PDF Library 3.9.7)

MD5: fb4d3c758de58376704ab9c55dd32bfc SHA-1: 0e7a6f558af5485b1e734d33fceab7dd552247ec SHA-256: 2dc88f96999c733d583d1a5dafded636951973a86d6e95e4805041c6408fc227

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ML classification and ClamAV detection strongly suggest malicious intent, identifying it as Win.Trojan.Agent-36166. The embedded JavaScript is the primary mechanism for exploitation, likely leading to the download and execution of a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 4

ClamAV: Win.Trojan.Agent-36166 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Agent-36166
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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_obj0007_000.js` `537356bdaf5412f8f260ba7261e505a82cb6d586c475a977d3eade85b8f9c6a7`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74803 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

Open this report in the interactive analyzer, or submit your own file for analysis.