PDF malware analysis — malicious · a0297c10839037ff

MALICIOUS

PDF

12.5 KB

MD5: 6aafb0229d3f79e59aa562ff02f6d5e3 SHA-1: 0d3cfe1d93223b8d411d117faceac78f9b916206 SHA-256: a0297c10839037ffbd0dfc0b6a26542c4d75d6b27f3a07717535d9a1ff22ad53

76 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detection of 'Pdf.Exploit.Pdfka-9' further suggests exploitation of a PDF vulnerability. The embedded JavaScript is likely designed to download and execute a secondary payload, which is a common technique for initial access and further system compromise.

Heuristics 3

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` `6faddf0647ad21ee41c8c942adb542f43150f78ef7c1664562edf00e82e59f54`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11749 bytes
Detection ClamAV: Pdf.Exploit.Pdfka-9 Obfuscation or payload: unlikely

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