PDF malware analysis — malicious · f4883d5ba1d6311c

MALICIOUS

PDF

12.8 KB

MD5: c3bd4a19e00451eee0a15bb1970f5f8c SHA-1: 975d546335cbc39947512105921975c5e289ba14 SHA-256: f4883d5ba1d6311ca2f6e80c0afea06336bb7d6898ebe2fd0e2e33b0de79b27c

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF containing embedded JavaScript, as indicated by multiple heuristic firings and the presence of an embedded JS stream. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically identifying it as Pdf.Exploit.Agent-22002. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code, potentially downloading further payloads or performing other harmful actions.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-22002 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-22002
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_obj0020_000.js` `af701efb1d43e0e8e5a6fa3dd7d2c71a63a43ed738a784db928607d66182d301`	pdf-javascript-stream	PDF /JS object 20 at offset 0x2D24	1206 bytes

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