PDF malware analysis — malicious · 49634bf759449d62

MALICIOUS

PDF

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

MD5: ddfc84619655427d8953be99e18933aa SHA-1: a2a2bd4e946cae7ae7396e338ea87834eebd8ecf SHA-256: 49634bf759449d62d77d8e7a2c5c8f22a6ade18c1b7afb412e59b693f1dc1578

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, a common technique for delivering malicious payloads. Heuristic analysis and a machine learning classifier strongly indicate malicious intent. ClamAV detection as 'Win.Trojan.Agent-36166' further confirms its malicious nature. The embedded JavaScript is likely responsible for downloading and executing a second-stage 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` `a1931f064d9b5939d1e574f867826f0ac86f2c5515c5aae16844796ce51b0647`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	75897 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.