PDF malware analysis — malicious · 9edbd32b33d58fd2

MALICIOUS

PDF

12.3 KB

MD5: 7088513b826e13b0775a36b08a6c621d SHA-1: 2a056c970673c252a95642f96b34fd9f951fbb6a SHA-256: 9edbd32b33d58fd2aced48e077e99ab630e4e51e25ea8829936a138cb6e38edd

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, 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` `19c0a5934b8b398dec46655fa2be8e82e9adff2bd165fd98d9b1d8fd7e78b07b`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11521 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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