PDF malware analysis — malicious · b9dcaa3c205f5f0e

MALICIOUS

PDF

9.3 KB Created: 2010-04-20 07:39:54 Authoring application: eovLRTZEMoyuEUCv (via BwEbmnhISsnMCRWwr)

MD5: 9b47ad9cc6a7fbc5a4541fc5626e073d SHA-1: bdae79c940219d7d62c0cb4b931b5dfbecae99d7 SHA-256: b9dcaa3c205f5f0ed7c4c7b59344d5c97fa9045ab0231f5bffb4c04bf7a8db7e

108 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF was flagged as malicious by a ClamAV detection (Pdf.Exploit.Agent-35572) and a machine learning classifier. It contains embedded JavaScript, indicated by heuristic firings and the presence of an extracted JavaScript file. The ML classifier's high confidence score suggests a sophisticated exploit. The embedded JavaScript is likely responsible for executing the malicious payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-35572 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35572
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.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `8c42d2efd147f2ddb934af877016f6e77afa1c0e08b98ce3fbdb1a99cee09223`	pdf-javascript-stream	PDF /JS object 7 at offset 0x443	7696 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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