PDF malware analysis — malicious · 57f7a7eb0178d5a1

MALICIOUS

PDF

3.3 KB

MD5: fa96720f2b528447d8dce8e726a2bc59 SHA-1: 19d41ac43ddd337bc63259e93f237d2d91f925d3 SHA-256: 57f7a7eb0178d5a1ca7ced19e710f00e5a10f58603e038d4afa867df738306e0

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file was detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-36121. Static analysis identified embedded JavaScript, indicating an attempt to exploit a vulnerability within the PDF reader. The ML classifier also strongly flagged this PDF as malicious. The embedded JavaScript is likely responsible for executing a malicious payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
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_obj0007_000.js` `cb5e7e96cd974bae91d31fbf3c49ff25cb007f72ab7fc9a26512bfda488ebbb0`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA86	318 bytes

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