PDF malware analysis — malicious · 13134fe97cce6a12

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: 86e4d8ce2b3e243d685fa2e83abae6d3 SHA-1: 6d7d9a3d2b9632662ea61a7c4bfcdd692164a271 SHA-256: 13134fe97cce6a12dde1ef28edaf744b4104e48f96e696a8404bc5ed2b2b7d9a

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript that is heavily obfuscated but appears to be designed to download and execute a secondary payload. The ClamAV detection of 'Win.Trojan.Agent-36166' further confirms its malicious nature. The primary attack pattern is likely spearphishing attachment, leading to the execution of this malicious script.

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` `cfecc5c28612d6680121e152706670cc1f00667b59efc076de1a9a45a82fe5ef`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	75145 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.