PDF malware analysis — malicious · 43c0a6f5ed08bd17

MALICIOUS

PDF

3.3 KB

MD5: f88244e255563e8c76b5b597cdd6d999 SHA-1: ce7e92d304f83f772cfa2e5445c5f2c9cac7365e SHA-256: 43c0a6f5ed08bd170bcc1ac4bfec15a9b2b93a56d5627fc3afe9f11c953ab643

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 a javascript_obj0007_000.js artifact. The ML classifier and ClamAV detection strongly suggest malicious intent, specifically an exploit targeting PDF vulnerabilities. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload.

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` `7d6a19ba4312df938276b3bcc83135c9edb2e166fba1b0e298bff597bb11e8ef`	pdf-javascript-stream	PDF /JS object 7 at offset 0xA86	372 bytes

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