PDF malware analysis — malicious · 5eba14c5c70d8672

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via 1fef5Tibedegabala)

MD5: 66b5668597dba9d077041c25882d655b SHA-1: 0481dd75949368290d928ea60dc0d07e59dd59f4 SHA-256: 5eba14c5c70d86721dce0f2f8cde008c71eb3fe76f233096f27b57cf2f6412d2

106 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF sample contains embedded JavaScript, flagged by multiple heuristics and a critical ClamAV detection (Pdf.Exploit.Agent-36142). The JavaScript code is heavily obfuscated but appears to be designed to download and execute a second-stage payload. The script attempts to deobfuscate and execute code using `app.eval()`, indicating a malicious intent to compromise the user's system.

Machine Learning

Nyx PDF Classifier malicious score 0.9989

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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