PDF malware analysis — malicious · e38e17f225220d5b

MALICIOUS

PDF

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

MD5: b76660041058077a2e21db94e4b78ae4 SHA-1: 3a109478d0629ea35fce3c2d7e2cc27a56b9efd3 SHA-256: e38e17f225220d5b0e7a9d39545518e828e59d4c4c27c0f869d7132da38fcb15

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detections for 'Pdf.Exploit.Agent-19098' and 'Win.Trojan.Agent-36166' on an extracted artifact confirm its malicious nature. The embedded JavaScript is likely responsible for executing the exploit, leading to the detection of a trojan agent.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-19098 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-19098
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` `d2364f1365462dfb17fb4c6cf0fcce97b1b96a4b777e0091071fd593f7c7ae6b`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	75184 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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