PDF malware analysis — malicious · c56e7cd001a94081

MALICIOUS

PDF

12.7 KB

MD5: af8fdea95d75931640e2eb5015937ffe SHA-1: e8fbb86bbfa9e5a784e68bb401321bff3f174c0d SHA-256: c56e7cd001a940819077e5f08eac7cc15834efdf31fdd0612460e04702e5a114

166 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file was flagged as malicious by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36365'. It contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities to download and execute further malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36365 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36365
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_obj0076_000.js` `ba710189efc53e873372be7ea1d99ba9f7486ae5d99c9e7e64a16f0425f055ab`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11951 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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