Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1a41e17272ea7aa…

MALICIOUS

PDF

3.2 KB
MD5: b10ee46608da5e9f6da5319ee038519c SHA-1: e2f816b7a2928503893f1bcf0cd3f2d9e1ffcfa7 SHA-256: b1a41e17272ea7aaf999486cff7fe6d70494373029f4df55a73efb6a855533d6
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

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 exploiting a vulnerability within the PDF reader to execute malicious code, potentially leading to further compromise.

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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0007_000.js
ab2764b408641799f2e69edba7407e38cbe296d64252f5385081265816c8c592		 pdf-javascript-stream PDF /JS object 7 at offset 0x9CE 474 bytes
stream_000_off00000152.bin
88c7f56e375f8c9a70de1e5463ff21dad74ea9490de1266318e9362179356664		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x152 11798 bytes

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