PDF malware analysis — malicious · 4d109df1c9662d66

MALICIOUS

PDF

12.3 KB

MD5: 617c792db2a84d9d0cc8d931055452a3 SHA-1: 6f14e51ebc5032d367d39e53878c057b2a1a6efd SHA-256: 4d109df1c9662d66000ed36051ce7007800e52a2e09745a49c713a3b96f07962

136 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings related to PDF JavaScript actions and streams. ClamAV detections confirm the malicious nature of the file, identifying it as Pdf.Exploit.Agent-36365 and Pdf.Exploit.Agent-36364. The embedded JavaScript is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code.

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` `571968141a8338d1039a3fafa0a0108867b66fe5dc99ccebce6682d775205e3a`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11494 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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