PDF malware analysis — malicious · c7d218480a73c89f

MALICIOUS

PDF

3.3 KB

MD5: bce2dbd7befcdb40e467da60a33a38da SHA-1: 7863680a3a2d4542cb11d2008631ef2a0c74347f SHA-256: c7d218480a73c89f83c240066e53aa8f848197a597f48f6c4cafd55471bcec75

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF file was flagged as malicious by ML classifiers and ClamAV, specifically as Pdf.Exploit.Agent-36121. Static analysis revealed embedded JavaScript, indicating an attempt to exploit PDF vulnerabilities to execute arbitrary code. The JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for initial access.

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` `b324bdcf77460d66314df0238130527422a0589d896e3efa34c9b1259c65b220`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA86	336 bytes

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