PDF malware analysis — malicious · 0d9ec5b9ff63548b

MALICIOUS

PDF

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

MD5: d2a9493a4b605e83b42bb5473deef2ca SHA-1: fca50f39b57e427eda232159c9bc22d51de0896f SHA-256: 0d9ec5b9ff63548b2c914e7f7ef64c46e0954b25055da7eee113e517fdc06bfb

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The critical ClamAV detection and high ML heuristic indicate this PDF is malicious. Embedded JavaScript, identified by multiple heuristics, is present and likely responsible for executing the exploit. The large size of the JavaScript stream suggests it may contain obfuscated code for downloading additional malware. The authoring application and metadata do not provide specific family attribution.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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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