PDF malware analysis — malicious · df900452b561e7dc

MALICIOUS

PDF

69.5 KB

MD5: b674ab793728b8c2d0f7fcd18d36160c SHA-1: 461a2344533e90eb89b23b409573cf3aeb914ff6 SHA-256: df900452b561e7dc2cc9a1d1f8480893a6e277e22f7ced20de0f4088ddb663ba

60 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1055 Process Injection

The PDF file contains a Base64-encoded PE executable payload. The heuristic indicates that this payload is likely intended for process injection, using APIs such as VirtualAllocEx, WriteProcessMemory, and CreateRemoteThread. The decoded payload has a SHA256 hash of cac25a0c85ff0522a7105b86ac53326b6c5a8b9031d9ab76d5f39249c561bd20.

Heuristics 1

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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`base64_pdf_pe_000002fe.exe` `cac25a0c85ff0522a7105b86ac53326b6c5a8b9031d9ab76d5f39249c561bd20`	embedded-pe	PDF raw base64 PE payload at offset 0x2FE	52736 bytes

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