Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1e1ecd30d3e2349…

MALICIOUS

PDF

68.0 KB First seen: 2026-06-10
MD5: 4e697bfe230cff9fdb183138a387ff5c SHA-1: 169c3446df90bb6fed4bdb3fe94bac2fcc978581 SHA-256: c1e1ecd30d3e2349554d65051a839548ed7520968361a3d007ad6748b368e209
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: a6c06687edfb25e905981985ce0b5cad65341cacfa4a0974c4d03afcb5e5b115
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