The identifier d8f5e9d4-9a5e-4c63-8443-f549cef7743ezip appears to be a unique system-generated ID, likely a appended with a "zip" extension or suffix.
: If you have the actual file, you can check its hex header. A true .zip file will always start with the ASCII characters PK .
: Check your browser's download history for the time the file was created to see which website triggered the download.