PDF malware analysis — malicious · af4df1d9bd217630

MALICIOUS

PDF

12.6 KB

MD5: 4a762ad2923275e46c5cef7e6ec2232b SHA-1: 587a92ba76b556b1ad633183993d8b34cc8b4027 SHA-256: af4df1d9bd217630d8ecf66cc1e077cd2822f4bdf8772b636f5d7f3ed27aa3b9

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 a PDF exploit. The embedded JavaScript is likely responsible for executing the exploit, 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` `3a6ef5dad21432873378c67774c605f72505b9cb3c03612f1b7f0b3d9669b123`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11781 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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