Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f0a980c03c38f70…

MALICIOUS

PDF

68.0 KB First seen: 2026-06-10
MD5: 21c140cb0d85aacc2e433b9e12bf53cb SHA-1: 7e19bae178e02e6770e02d54b76ad3631644bdad SHA-256: 2f0a980c03c38f70c02bc1ce99cdccf370cba71f295b0426aaa9b15596897b3c
130 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9952

Heuristics 2

  • Base64-encoded Windows executable payload in PDF critical PDF_BASE64_PE_PAYLOAD
    PDF text contains a long base64 blob that decodes to a verified Windows PE executable. This catches payloads hidden after EOF, inside comments, or in plain text outside normal PDF streams.
  • Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
base64_pdf_pe_00000284.exe embedded-pe PDF raw base64 PE payload at offset 0x284 51712 bytes
SHA-256: bee9d141e8b2abc2f8e398dc6011a10d690005488c15260e787f76028f057e11
Detection
ClamAV: No threats found
Obfuscation or payload: likely
actual_type=PE; declared_or_context_type=PDF; filename=base64_pdf_pe_00000284.exe; kind=embedded-pe Static shellcode analysis recovered command string(s): PowerShell