PDF malware analysis — malicious · 6d89ad12a53aaef5

MALICIOUS

PDF

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

MD5: 40186ca71baa7b0cb9ee10ac929469fb SHA-1: b1142c04edf9ddde8d2f6f339284276ebf451fe2 SHA-256: 6d89ad12a53aaef528b10283f61e1230aaf56876f0abc87d2c73c7bb74169314

106 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains embedded JavaScript, flagged by multiple heuristics and ClamAV as malicious (Pdf.Exploit.Agent-36066). The ML classifier also strongly indicates maliciousness. The JavaScript is likely responsible for executing the exploit, leading to the malicious verdict. The attack pattern is consistent with a malicious document delivered as an attachment.

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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