Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb8b72c723500286…

MALICIOUS

PDF

3.2 KB
MD5: ac372b225d08624cc72517825ca816e2 SHA-1: 728f476f91bd226c0888eb43423acb83d22a8dd7 SHA-256: cb8b72c7235002864abbbc9c6317fb01f7786867adc66fd86c5cc0ce07962ac1
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 detection as 'Pdf.Exploit.Agent-36121' confirms its malicious nature. The embedded JavaScript is likely responsible for executing the exploit, leading to the malicious verdict. No specific family could be identified from the available evidence.

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
afd1a2caf1b12ff7c75d0e6b1b25a33285ab48955f709942f2506bbd0797caf9		 pdf-javascript-stream PDF /JS object 7 at offset 0x9CB 504 bytes

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