PDF malware analysis — malicious · 994969de80a3d41b

MALICIOUS

PDF

3.3 KB

MD5: e45cd6b4a9d8a01cd5a3c427ffe6396a SHA-1: 3080196ae3671e56f47383e00231b9b1d2b4820c SHA-256: 994969de80a3d41bb56eb1b567634a313e8c0864acad4961556deb2d5aa4a8e2

108 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious Link: Malicious File

The PDF file was flagged as malicious by ClamAV with the signature Pdf.Exploit.Agent-36121. Static analysis revealed embedded JavaScript, indicating an attempt to execute arbitrary code. The ML classifier also strongly indicated maliciousness. The embedded 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` `b61c68c4012f060cce1dbaa69b3606afefb64fa67ce50c4e4d4c908fbb56286d`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA87	287 bytes

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