PDF / .SWA malware analysis — malicious · 09bb36c500811760

MALICIOUS

PDF / .SWA

7.2 KB Authoring application: Bofatezozinefaxfa (via bc73eVogewojixariuawi)

MD5: 046eedcc38d65ea6ee535106c7883c73 SHA-1: 5ee739a40dd00b2b4e9a224cee5c9f9426d3b462 SHA-256: 09bb36c500811760fed4deca8c6fbbf154921062bbed29821ad091973e8cb6c5

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains embedded JavaScript, identified by heuristics and ClamAV, which is highly indicative of malicious intent. The JavaScript code is obfuscated but appears to be responsible for downloading and executing a secondary payload. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9953

Heuristics 3

ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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_obj0011_000.js` `ca838ab153ea9de4fff1e74bdd0848fd720f71bc6fbee4425be234136cd19b41`	pdf-javascript-stream	PDF /JS object 11 at offset 0x1349	2325 bytes

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