PDF malware analysis — malicious · ee415a8800f15af7

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: 25ca33a2c77856cb6cfa878816dcd7b1 SHA-1: 996976933931d24cfa619c35409ed7589b0a37d1 SHA-256: ee415a8800f15af7ce5f384a26abd96995b70192c279ed411ba5ea007d1a9c64

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, a common technique for delivering malicious payloads. ClamAV detections for 'Win.Trojan.Agent-36166' strongly suggest the presence of a known malware variant. The embedded JavaScript is likely responsible for the execution of this malicious agent.

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` `39f4cc0519f272db3c0ea78848894c3ddc0fcb80efe5872eff9c534cb7d76fa8`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	75169 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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