PDF malware analysis — malicious · b0c8099669aead46

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: 06877df86870ef92d8798e578d347285 SHA-1: cebbb169fcde5dfba188082d42ed309dfa4002b1 SHA-256: b0c8099669aead4642d260e0bbe6ed75a74ec9d2a1818675df755a0fc969165f

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-16071' and 'Win.Trojan.Agent-36166' strongly suggest that this JavaScript is malicious and likely exploits a vulnerability to download and execute a secondary payload. The presence of JavaScript actions and streams points to an attempt to compromise the user's system through the PDF document.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-16071 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-16071
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` `2e8e1f37ec9ca96011f8c9a455c5959570d82584cd4d6f240fed53cb8c572ed3`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	75166 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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