Malicious PDF — malware analysis report

Static analysis result for SHA-256 98bd7cb1c5d87bc2…

MALICIOUS

PDF

3.3 KB
MD5: 483cf1944f9290989df1e4adae10bc2e SHA-1: c4d2f8d455997f96df5ea411f7749c9a471fc911 SHA-256: 98bd7cb1c5d87bc25300da716759fc99d141c238ba8ae2533c6ea7e4b284f2f0
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious JavaScript

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Agent-36121' strongly suggests it's a known exploit. The embedded JavaScript is the likely mechanism for delivering a malicious payload, consistent with common PDF-based attack vectors.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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.

FilenameKindSourceSize
javascript_obj0007_000.js
2076ea56748a4dbc9b87e924848fdb41421977010fbb502e4d7958ccf5e08163		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 334 bytes

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