PDF malware analysis — malicious · cb73ac0801fb3238

MALICIOUS

PDF

6.5 KB Authoring application: Tisilarehaue (via d4190Tibedegabala)

MD5: 268eac7db211a25cc8898cf7b600c299 SHA-1: d5cde74bba650f79dbdaa2a178cdab66a4b7dd04 SHA-256: cb73ac0801fb323885fbc6144f68bc4aabbf16abc9c67ac4feca739426e68986

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV heuristic indicates this PDF is recognized as a known exploit (Pdf.Exploit.Agent-36142). The presence of embedded JavaScript, detected by PDF_JAVASCRIPT and PDF_JS heuristics, strongly suggests that the exploit leverages this script to perform malicious actions. The script is likely responsible for downloading and executing a second-stage payload, which is a common attack vector for such documents.

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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