PDF malware analysis — malicious · 47763312be9020dd

MALICIOUS

PDF

12.2 KB

MD5: c16e7ab871953693de6424df32d6d6dc SHA-1: 22799202b850bc9c665abdd416514bbd7b226cb1 SHA-256: 47763312be9020ddc1e8cf25ca453b95f7d64e68f1578fd60e644fcd04f39f62

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by multiple engines, including a high-confidence ML classifier and ClamAV, which identified it as Pdf.Exploit.Agent-36365. Embedded JavaScript streams were detected, indicating the likely execution of an exploit. The primary attack pattern involves leveraging this embedded script to achieve initial compromise.

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` `aa68094f7b8dc0119097fd1ce562efdd420722fce4373bb3a7a1ea578f4185d9`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11419 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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