PDF malware analysis — malicious · 32de8ac4fb29c7e2

MALICIOUS

PDF

31.2 KB

MD5: 4324c33155f48da890980f3f28b20d65 SHA-1: 59a26f2efb7ba743ee5681ab6771da9726bcfc87 SHA-256: 32de8ac4fb29c7e28ffc7468aba8a96ab686a70591aa6d3bf6e74de80b568c06

116 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The critical heuristic firing for PDF_EVAL, along with PDF_JAVASCRIPT and PDF_JS, indicates that the PDF contains and executes JavaScript. The ClamAV detection of 'Pdf.Exploit.Agent-20278' strongly suggests this is a known exploit. The embedded JavaScript, though large, is likely responsible for downloading and executing a secondary payload, which is a common attack vector for this type of exploit.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-20278 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-20278
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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_obj0032_000.js` `c3fd3d8ad37fcf210451f0242e43803e857b3615902431dea00728ced1e774d6`	pdf-javascript-stream	PDF /JS object 32 at offset 0x2CA	3043464 bytes

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