PDF malware analysis — malicious · 2db9ce25b19dd476

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: 9dd2359f1ce72b26158313aace406e74 SHA-1: 3dd6a47db39489f8e32ad58f11543e5b173a10fe SHA-256: 2db9ce25b19dd476c98259442ba3211a07e350d0ec2efcef3cf81bddb99b49d2

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file was flagged by ClamAV as Win.Trojan.Agent-36166, indicating a known Trojan. Heuristics indicate the presence of embedded JavaScript, which is often used to download and execute further malicious payloads or exploit document reader vulnerabilities. The document body content is unreadable, but the presence of JavaScript and the ClamAV detection strongly suggest malicious intent.

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` `22b2a9a4a14c37ce2d107fa512a9f657a0a7760f82d0c9bd0f5534d3ebcdb23a`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	75439 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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