PDF malware analysis — malicious · 1b3bf76b09cd0492

MALICIOUS

PDF

16.2 KB Created: 2010-03-05 15:19:50 Authoring application: Laxiwoveja

MD5: 11b39a15a7dc64456e670b4947950764 SHA-1: 5cee7bff9f779f4276e84c2846a4c1263d1f76aa SHA-256: 1b3bf76b09cd0492db694a798375b2c7f3657a90ba2dacb166e0dbba028bf851

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV heuristic firing indicates the PDF contains a known exploit, specifically 'Pdf.Exploit.Agent-36066'. The presence of embedded JavaScript, flagged by two low-severity heuristics, strongly suggests that this script is responsible for executing the exploit. The likely intent is to download and execute a secondary payload, a common technique for initial access.

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36066 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36066
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_obj0022_000.js` `22e7b9b95199cc294a88baec03e968aa698abb89fdbf202e98b946c7b2639771`	pdf-javascript-stream	PDF /JS object 22 at offset 0x30AF	971255 bytes

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