PDF malware analysis — malicious · 1260c36673226a55

MALICIOUS

PDF

68.0 KB First seen: 2026-06-10

MD5: d0a032b77440a5fa67df11ae92478c70 SHA-1: 3610c1b698b21aa5c86a19d524f5d8319647da13 SHA-256: 1260c36673226a55bbafc96608f5a5bf893850707b7ef7041cd88fa7a565d037

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.

Filename	Kind	Source	Size
`base64_pdf_pe_00000284.exe`	embedded-pe	PDF raw base64 PE payload at offset 0x284	51712 bytes
SHA-256: `e91d771dd04aabf24300ad0b96ba141bd7f4ed65b761666c7d8853775bcfba2e`
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

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