PDF / .SWA malware analysis — malicious · 5cbe2e7268532d61

MALICIOUS

PDF / .SWA

6.5 KB Authoring application: Tisilarehaue (via 90983Tibedegabala)

MD5: 0c6e9081d75eb717b9647b794d7f2dc9 SHA-1: 1e069ab37ed8726c0b2570a433c90f0f0bbc6e2b SHA-256: 5cbe2e7268532d6160d247f719420ee4bb4772a1d8d588c2b95935482e81b8e8

106 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains embedded JavaScript that is flagged as malicious by multiple heuristics and ClamAV. The JavaScript appears to be obfuscated and attempts to decode and execute a second-stage payload. The ML classifier also strongly indicates maliciousness. The specific exploit and payload are not fully discernible due to obfuscation, but the intent is clearly to execute arbitrary code.

Machine Learning

Nyx PDF Classifier malicious score 0.9990

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36142 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36142
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_obj0010_000.js` `d4dce4f95f7146e3b127d68edf45ceb045483a205d9e9a2a53d6e6b80d83b663`	pdf-javascript-stream	PDF /JS object 10 at offset 0x1230	1728 bytes

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