PDF malware analysis — malicious · c0c5cd1269496512

MALICIOUS

PDF

12.3 KB

MD5: 573ccf3f365fb28c68d0dc6aa7942e9b SHA-1: 717287353107ce2e87fd3f80d28d04fa75e15bfa SHA-256: c0c5cd1269496512a3c7a9fd1e726f95f0c52926052631ec4cf63f6c8c8a4dbd

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. ClamAV detections confirm its malicious nature, specifically 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` `dc04ecc2885c5175d79c9ef9b1f9f3282f9bd4a7ec31d6d0a88f1f3c1c6283ad`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11498 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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