PDF malware analysis — malicious · dbb5ea73adf3349e

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: 9c22789ee662418517ce0203b0c7b4ff SHA-1: ab7896eb4331e9ea4b73a04ce000dc802801ecf4 SHA-256: dbb5ea73adf3349e881fd3624301bfb450e3632e437e26a49e5acb5b6a58b27f

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file was detected as malicious by ClamAV with the signature Win.Trojan.Agent-36166. Static analysis revealed embedded JavaScript, indicating a potential for malicious script execution. The presence of JavaScript actions and streams within the PDF structure strongly suggests an attempt to execute code, likely for downloading further malicious content or exploiting system vulnerabilities.

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` `9e55df192bce5f1f88e2f03fe2033e17ed8882a1f5bff538a650372210f20a34`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	75149 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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