PDF malware analysis — malicious · b7a91c3ea3d9f883

MALICIOUS

PDF

12.5 KB

MD5: 4bb18052bac46846e5bb94c37de82e14 SHA-1: a6a7b79d46d1f5239fa84d179588a2d8cf013f9f SHA-256: b7a91c3ea3d9f883ed19fac35053d946ac1a2d287a821bead941c90cdb9b1100

136 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious File

The PDF file contains embedded JavaScript, which is a common technique for exploiting vulnerabilities in PDF readers. ClamAV detections indicate the presence of known exploits. The embedded JavaScript is likely responsible for executing a malicious payload, leading to the malicious verdict.

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` `a52a74004908ec98b73d0157d82efd834a5f9668e86b2e8b8e7d08ca1db781c9`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11697 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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