PDF malware analysis — malicious · 2439419fe7a396cd

MALICIOUS

PDF

69.5 KB

MD5: 4ec735d3eb5a585dba588e0baabad8ea SHA-1: 36eeb9c3bdc06616280dbc498376052872f0b6d2 SHA-256: 2439419fe7a396cd8728dc3996f6de71e6ea07a2b3dcdc7dfa5b06df19308c75

60 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1055.012 Process Injection: Process Hollowing

The PDF document contains a Base64-encoded Windows executable payload. The heuristic indicates that this payload is likely intended for process injection, utilizing APIs such as VirtualAllocEx, WriteProcessMemory, and CreateRemoteThread. The embedded executable 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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