PDF malware analysis — malicious · c580e0a073edf18d

MALICIOUS

PDF

12.5 KB

MD5: 06e81cb9999e59765da0aec368d35ef0 SHA-1: 1bdb642bb0212b0c96a1abd4faf8b8674dead580 SHA-256: c580e0a073edf18da6b8609db9c99833b4fd435dd7700206f222bbe0f2332de3

166 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, which is a common technique for exploiting vulnerabilities in PDF readers. ClamAV detections indicate this is a known exploit, likely Pdf.Exploit.Agent-36365. The ML classifier also strongly suggests maliciousness. The primary attack vector involves tricking the user into opening the PDF, leading to the execution of malicious JavaScript.

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` `761a7bd392295a67cf8fd00a539ca6366e3f510077881ba30986a266f739a373`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11678 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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