PDF malware analysis — malicious · bbb1cc1a09739361

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: 62ecad0cf7f236554e18d3659b1a8643 SHA-1: 80425d171bf58117b7a72d1294c41d5d954b4283 SHA-256: bbb1cc1a09739361a675b21952fcdd47f4a91e7d347739aabc6c618658ad907f

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The file is a PDF document identified by ClamAV as Win.Trojan.Agent-36166. Static analysis detected embedded JavaScript, indicating a potential for malicious actions such as exploiting vulnerabilities or downloading further payloads. The specific JavaScript content was too large to fully analyze, but its presence 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` `8cb761648a45431159490a651828f68d1b0e03a72931e7c7e874d0ac73af400d`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74798 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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