PDF malware analysis — malicious · 9ba1f89b155bdacd

MALICIOUS

PDF

3.3 KB

MD5: 9d0b98ac7e35b535f130e1765f3d9875 SHA-1: e645f6dfea3ca813ad8671038127c6a1732a7d82 SHA-256: 9ba1f89b155bdacd5de0b3147f7d221c4530ba39668fb773cf3ad26ac2634a6e

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identifying it as Pdf.Exploit.Agent-36121. The JavaScript is likely responsible for executing an exploit or downloading a secondary payload, contributing to the overall malicious nature of the document.

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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `5d01b72f913b1928ed324c647b206022213370ee612d96622972f5b656b2245e`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA88	320 bytes
`stream_000_off00000152.bin` `d497e30ba33001b00973060b66c59592c938c554544c63b94a13f290f1441fde`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x152	13100 bytes

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