PDF malware analysis — malicious · d14694d024c0713a

MALICIOUS

PDF

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

MD5: 9223486f13da0b8efa25cb14c3578375 SHA-1: c637ccef37fcf67b3d5af31fe48687eef7de6344 SHA-256: d14694d024c0713a938f02e1457082ebfbbef96d866f03d98ccdc78f9bb8dcce

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, which is a common technique for delivering malicious payloads. ClamAV detections for 'Win.Trojan.Agent-36166' strongly suggest the presence of a known trojan. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, although the exact mechanism is not fully detailed in the provided heuristics.

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` `d2c8cf80db58e4dd1e098bbdc1b7e01a37374797baeae5247dd6f6637ddc3ee5`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	76643 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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