PDF malware analysis — malicious · 7ee2c0a527eb833e

MALICIOUS

PDF

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

MD5: 33ee4d701c83f3eedf163319e66d00a4 SHA-1: 04377bd6ff68b7ebd486cd025c4da4fc409a3c0b SHA-256: 7ee2c0a527eb833eac50657a065895f4335bbc83004158316ab510925ff95613

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

This PDF file was flagged as malicious by multiple engines, including a high-confidence ML classifier and ClamAV. It contains embedded JavaScript which is obfuscated but appears to be designed to download and execute a second-stage payload. The ClamAV detection name 'Win.Trojan.Agent-36166' is provided as an IOC.

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` `ecfa4b369effe250912cfbe264df7ce2ef54ab4df523e036981af9072207c9cb`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74595 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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