PDF malware analysis — malicious · 53d7d02b8dc52ca1

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: c3b8842ae6e8f55747718cdb0e831c31 SHA-1: 007fa69702dd36100e324cf512f963214961ac44 SHA-256: 53d7d02b8dc52ca1e911dd6ff0250039792baf59f922f768fd6dd00a71c11bb1

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file triggered critical heuristics for ClamAV detection, identifying it as 'Win.Trojan.Agent-36166'. It also contains embedded JavaScript, a common technique for executing malicious code within PDF documents. The presence of JavaScript actions and streams suggests an attempt to perform actions beyond standard PDF viewing, likely related to the detected malware.

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` `f7a8acfc2bd5dae2c5c47b03bf9530922e43dfa2fbe5a0989743d74f2e05e32a`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74594 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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