PDF malware analysis — malicious · b254d5347826c54a

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via d3730Tibedegabala)

MD5: f3bcaabcaa9e6ed4582b49d1a5384a2f SHA-1: a0fda8f811ec71fa61d60b22ffe2a7e54eb14032 SHA-256: b254d5347826c54aabe6358f1bdd8e766dd2df7e7144aa4d80fc9168e8d6d190

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION heuristics confirm its malicious nature, with ClamAV identifying it as Pdf.Exploit.Agent-36142. The embedded JavaScript is the primary mechanism for exploitation, likely leading to the download and execution of a secondary payload. The document body is heavily obfuscated and unreadable, providing no further context on the lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9989

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36142 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36142
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_obj0010_000.js` `d4dce4f95f7146e3b127d68edf45ceb045483a205d9e9a2a53d6e6b80d83b663`	pdf-javascript-stream	PDF /JS object 10 at offset 0x1230	1728 bytes

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