PDF malware analysis — malicious · 25eea4962c3bf510

MALICIOUS

PDF

6.1 KB Authoring application: Favib rela (via Pipnolpamok)

MD5: 0aecbdf7e3ff591af63a54e8b4829620 SHA-1: e324f54f7a64f85a411300cb79a8df07e06b5c0f SHA-256: 25eea4962c3bf51014331a11df6d052d02ab83dd264e6a14dd3233d7d2fadbc8

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript stream artifact. ClamAV detection as 'Pdf.Exploit.Agent-36174' strongly suggests this is an exploit-laden document. The embedded JavaScript is likely responsible for executing the exploit, leading to the malicious verdict. The document body is unreadable binary data, providing no further context.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36174 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36174
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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_obj0015_000.js` `d2679f3f15d6e025ee8c17fa18b94c5a0f309ff0925fe97138da94e5b5bbdf34`	pdf-javascript-stream	PDF /JS object 15 at offset 0x1281	1504 bytes
Detection ClamAV: Pdf.Exploit.Agent-36174 Obfuscation or payload: unlikely

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