PDF malware analysis — malicious · 4392db1301373194

MALICIOUS

PDF

3.3 KB

MD5: 0aae26f9505fa0209ee1d8d85e694eee SHA-1: 9de91ba7d030a67d10e22cf608625aab0e6f6eb3 SHA-256: 4392db13013731940a263bdea861569014946ae5b35fc86ab4778fc90375580b

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36121 and a machine learning classifier indicated a high probability of maliciousness. Heuristics indicate the presence of embedded JavaScript, which is commonly used to exploit vulnerabilities in PDF readers. The embedded JavaScript stream is the primary mechanism for delivering the exploit, likely leading to the download of additional malicious content.

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` `dd0bcc1c4a6a9e54d3979c6db0164bd6ed1427f49caa0ff1cdbb36a018643de4`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA84	325 bytes

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