Malicious PDF — malware analysis report

Static analysis result for SHA-256 42c040cfd07c27bf…

MALICIOUS

PDF

3.3 KB
MD5: cc95aba8191170b8edfabd7603329b9c SHA-1: b546e98618a8f16ec8c120ba701a8e3691eb51ce SHA-256: 42c040cfd07c27bf20caac7dac210bc780631d5e26d8f0b10c5cc18109336a5f
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 further confirms its malicious nature, identifying it as Pdf.Exploit.Agent-36121. 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0007_000.js
c82b72dfb74215418db4c92290660f853abdc1995a70754f72cb524f0fb6ba82		 pdf-javascript-stream PDF /JS object 7 at offset 0xA87 380 bytes

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