PDF malware analysis — malicious · 37a7975695fad667

MALICIOUS

PDF

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

MD5: a3a6888539f9232ca465cca93b87b70c SHA-1: 4e556f49fb563250aed1c22148ec48fd7cd562b7 SHA-256: 37a7975695fad667a7192fc711f5ba422cf3c1171b3438b1e7d6511acba28653

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file was detected as malicious by ClamAV with the signature Win.Trojan.Agent-36166. Heuristics indicate the presence of JavaScript actions and embedded JS streams within the PDF. This suggests the file is designed to exploit vulnerabilities or deliver malicious content via JavaScript execution, likely leading to the download of a secondary payload.

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` `be976c89bb9fbf956df74c164a5e42ecfd298a7b3867349504a64448e8e44538`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74355 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

Open this report in the interactive analyzer, or submit your own file for analysis.