PDF malware analysis — malicious · 1da82750e84f83bb

MALICIOUS

PDF

11.7 KB

MD5: 91592078477c764dc13298f92a186f4d SHA-1: 36c7f09cb8ce05c424192153a8697be5db48aef3 SHA-256: 1da82750e84f83bbf6d0aee96f041be4a92696379f0c4d6939740e2a6550a0c9

136 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The file is a PDF containing embedded JavaScript, which is a common technique for exploiting vulnerabilities in PDF readers. ClamAV detections indicate it is a known exploit, likely Pdf.Exploit.Agent-36365 or a related variant. The embedded JavaScript is designed to be executed automatically, leading to the exploitation of the viewer.

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` `42ce196974a822db5cce0ac6d0e0b8be827453d63a71a7446f52d37069802939`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	10841 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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