PDF malware analysis — malicious · b20781aba1b2559c

MALICIOUS

PDF

3.3 KB

MD5: ca5519e512fce322a9643a26ba2bf164 SHA-1: b7fc77fe4727d16ba274ceb84a42744041b15949 SHA-256: b20781aba1b2559c76f52791ea8311a061bc544faadf829479e476b5c4f94e15

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as a malicious PDF by ClamAV and a machine learning classifier. Heuristics indicate the presence of embedded JavaScript, which is likely used to exploit a vulnerability within the PDF reader. The embedded JavaScript is responsible for executing arbitrary code, as suggested by the 'Pdf.Exploit.Agent-36121' ClamAV detection name.

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` `236ba098466fd2837168c7560cad8aff71340977ee0f1eb4fdb6210b376a2fb8`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA88	290 bytes

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