PDF malware analysis — malicious · 8930a957a0cfc42b

MALICIOUS

PDF

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

MD5: 6eaf25938ffc9dd24a6372a610e770ce SHA-1: 732cc7425a7f38dcb5c8d86a53a29dfc8ef9c181 SHA-256: 8930a957a0cfc42b559f5e6950a1577a26541bf400c86f6f59f24ea9c4b55aaa

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 malicious intent. The presence of embedded JavaScript, identified by multiple heuristics, strongly suggests the PDF is designed to exploit a vulnerability and execute code. The JavaScript stream is substantial, implying it likely downloads and executes a second-stage payload. 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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