PDF malware analysis — malicious · 84790525dc36fe4e

MALICIOUS

PDF

3.2 KB

MD5: f6cf0f689d5b771a3f7411512e4af862 SHA-1: 06525d2b17dab207061f8d6241d0a7ced05f6d0c SHA-256: 84790525dc36fe4e6fa2b99b9493a0f913efeb414a6fa34ee6a28653d96348fe

106 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious Link: Malicious File

This PDF file was flagged as malicious by multiple detection engines, including a high-confidence ML classifier and ClamAV, which identified it as Pdf.Exploit.Agent-36121. The presence of embedded JavaScript, indicated by heuristic firings and the embedded artifact, suggests an attempt to exploit a vulnerability within the PDF reader to execute arbitrary code. The exact nature of the exploit and its payload could not be determined due to the obfuscated nature of the embedded script.

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` `621a5a2fd412bc8996053a7e735c9b6f14e9f5dbd54dbf074d6d9f1ebe448c62`	pdf-javascript-stream	PDF /JS object 7 at offset 0x9D7	492 bytes

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