Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f1d20a46c1586fb…

MALICIOUS

PDF

3.3 KB
MD5: 890a9b51f69f99adb3208eff8b1e92b9 SHA-1: 645548d2ec076faaa79dbb63c8508789f8755617 SHA-256: 4f1d20a46c1586fb0a3704be207028cae880e74fb21989e331a8000a7cc4139c
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 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 an exploit to download and run a secondary payload, though the exact script content is not detailed here.

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
02107a802762ac636b641a49a921bef17b992183229e54749665b3b0f2df6d8e		 pdf-javascript-stream PDF /JS object 7 at offset 0xA84 321 bytes

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