PDF malware analysis — malicious · 0d8341a04cb992b8

MALICIOUS

PDF

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

MD5: b9e47284e024ea5bd82a1a8368f4cb6d SHA-1: 81b80bf16019d1f69e9455ae2ae7dda9eae11c86 SHA-256: 0d8341a04cb992b8f141e3881f17d1752cfe968840d4acc3ce7ef87b076c512e

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file was flagged as malicious by multiple engines, including a high-confidence ML classifier and ClamAV, which identified it as Win.Trojan.Agent-36166. Embedded JavaScript was detected, indicating the likely intent to download and execute a second-stage payload. The obfuscated nature of the script prevents a more detailed analysis of its specific actions.

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` `13e4d9c47555f3602ed625ae9f8d9127f0af637a89ef3502a2c12218f72a0c83`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74721 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.