PDF malware analysis — malicious · 0aac08d6bd92f674

MALICIOUS

PDF

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

MD5: 455664c0d66f8a94b7ebf994174c5bf8 SHA-1: f8275c42dc3741c7549a75b07a02313cc5a53702 SHA-256: 0aac08d6bd92f674cb3754f8d429b0af0ef0d13dbb91bfaa840319edb21b9b64

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 confidence indicate malicious intent. The PDF contains embedded JavaScript, which is a common technique for exploiting PDF viewers to execute arbitrary code. This JavaScript is likely responsible for downloading and executing a secondary payload, as suggested by the heuristic firings for PDF JavaScript actions and embedded JS streams. 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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