PDF malware analysis — malicious · ee367ff6389e2795

MALICIOUS

PDF

2.0 KB

MD5: 57a57e2d08f1fa725594ecbd44e6cf80 SHA-1: 3e08234ac5f8199dfd0ec3729b599cf5709d1ecf SHA-256: ee367ff6389e279523c3d60c18f3ba1b79ab99f9261be4e8497344485c20c25c

104 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File

The PDF document contains the EICAR test string and metadata indicating it's designed to prompt the user to save and launch the EICAR test file. Embedded JavaScript streams and PDF-specific filters are used to achieve this, aligning with a malicious intent to trigger anti-virus detection. The critical ClamAV detection of 'Eicar-Test-Signature' confirms the nature of the payload.

Heuristics 5

ClamAV: Eicar-Test-Signature critical CLAMAV_DETECTION

ClamAV detected this file as malware: Eicar-Test-Signature
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0008_000.js` `c79586b6ce33258a4a3246f592054a0720afaa39e08ec5d2fa6c2c1d19c42b91`	pdf-javascript-stream	PDF /JS object 8 at offset 0x4CA	58 bytes
`javascript_obj0008_001.js` `a99f0aad140b19a3f2f03812ca412c6d983fae48b9344738a95bf360fb8f644c`	pdf-javascript-stream	PDF /JS object 8 at offset 0x4CA	56 bytes

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