PDF malware analysis — malicious · 8711aefbd402c950

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via cb15eTibedegabala)

MD5: 42fd850289365dcb1bb6fca4880971fd SHA-1: 7905eeda8b2f08c23ba87a357c3ac3f656604bd0 SHA-256: 8711aefbd402c950f329f528943525f5c4d72897a9fce1e59005adb41e6e312c

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV heuristic 'Pdf.Exploit.Agent-36142' strongly indicates a known PDF exploit. The presence of embedded JavaScript, identified by 'PDF_JAVASCRIPT' and 'PDF_JS' heuristics, suggests the exploit's mechanism. This JavaScript is likely responsible for downloading and executing a secondary payload, a common technique for initial access.

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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