PDF malware analysis — malicious · df5a91bc65b9db77

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via b1017Tibedegabala)

MD5: c585ad2bb0a76c617b0514f094a798e6 SHA-1: b5adfc941840b490c2618c30012e815a82e638e8 SHA-256: df5a91bc65b9db77a6a5d8fae560dc212027100adb6fe9f7a02564d4bb7042bb

76 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious JavaScript

The critical ClamAV heuristic 'Pdf.Exploit.Agent-36142' strongly indicates a known PDF exploit. Additionally, the presence of embedded JavaScript, identified by 'PDF_JAVASCRIPT' and 'PDF_JS' heuristics, suggests the execution of malicious code. This JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for PDF-based malware.

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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