PDF malware analysis — malicious · 53ea182c420a4ecb

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: 37c9807bde6fb65520bf4494cc82ecc2 SHA-1: 96fbc4b2ddf3282238325b5563298e602666e166 SHA-256: 53ea182c420a4ecbbe7895922c8bee600ae88536e6d025a9fe9fa5775f658183

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF contains embedded JavaScript, indicated by the 'PDF_JAVASCRIPT' and 'PDF_JS' heuristics. The critical ClamAV detection 'Win.Trojan.Agent-36166' strongly suggests the execution of a known malicious payload. The embedded JavaScript is likely responsible for downloading and executing this 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` `e25fed87ed26154e24b57c634f0a3d4144756ed89d280ec5aaac2db4155f6226`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74788 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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