PDF malware analysis — malicious · 94023254e8ffaf5f

MALICIOUS

PDF

132.7 KB

MD5: 48fec36028fd3015bef38a5a377c9f68 SHA-1: 225995056ebb1679604b34cc90c346b7c71fec88 SHA-256: 94023254e8ffaf5f5fcc9729edcce071907d3e76062eb99dc279ffdfbaaeb1c7

136 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The file is identified as a malicious PDF by ClamAV, specifically 'Pdf.Exploit.Agent-36388'. It contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities. The embedded JavaScript itself was detected by ClamAV as 'Js.Exploit.HTML-27', indicating it likely attempts to exploit a known vulnerability to achieve code execution.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36388 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36388
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` `83b61e0a5b4628c4f1be14da0f5bbb8d735bf1505bd20ddf7cb3e2dffdae1cf2`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2C2	119548 bytes
Detection ClamAV: Js.Exploit.HTML-27 Obfuscation or payload: unlikely

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