Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1e22b5ff781400b…

MALICIOUS

PDF

3.2 KB
MD5: 4d4acad415ba7b57ca2f693e589c4ff8 SHA-1: 3c5ec45f2c8ea445c0239c2de9a472d74a7b1ab9 SHA-256: c1e22b5ff781400b3a84f5222634ce90174e263a6f2ca38a04e9adfd15f18dcb
76 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also detected this file as Pdf.Exploit.Agent-36121, confirming its malicious nature. The embedded JavaScript is likely responsible for exploiting a PDF vulnerability to execute arbitrary code. The SHA256 hash is included as a primary IOC.

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
0e36220bec5cee0e31fedaddd4223aef5016b19f817e1b8630b525d1b8fe8388		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C9 500 bytes

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