PDF malware analysis — malicious · 2f43b684705cc58d

MALICIOUS

PDF

1.1 KB

MD5: 838ea708815100db02e27d4232fb61a6 SHA-1: ab9a6abb3ab76c267f4b5cdbb29d7c9fa32fb983 SHA-256: 2f43b684705cc58d345b3045f47050ae0af7e04dfcfa1f6a0fc5dc6181affb41

136 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-36749. The JavaScript is designed to be executed automatically upon opening the PDF, leading to further malicious activity.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36749 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36749
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` `64113eef28c3d5703327aa88cce7d0fcfabef75d18322e9c4c340d7854f86619`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2C2	211 bytes
Detection ClamAV: Pdf.Exploit.Agent-36749 Obfuscation or payload: unlikely

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