PDF malware analysis — malicious · 2ddf108460ae7b8f

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: 7b3badf28b8f8bd834d00f679a06c2c8 SHA-1: e67740403114a5d6519b90db2e475dca8f55795e SHA-256: 2ddf108460ae7b8f1812d31a396c2a939a53b3ea504b8244c71983aced224e3a

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection confirms this is a malicious file, specifically identified as Win.Trojan.Agent-36166. The embedded JavaScript is likely responsible for executing the malicious payload, although its specific actions are not detailed in the provided evidence. The document body is unreadable, providing no further context on the lure.

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` `23b96fde711e8c7d020c0625e7d0f46c3001b2f4820ce6890a057413362daf76`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	75149 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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