: The standard file extension for an iPhone or iPad application. A Note on Security
The phrase you provided appears to be a highly specific, programmatically generated filename or "slug" often associated with (iOS application archives) found on third-party app repositories or file-sharing sites. Based on the components of the string, : The standard file extension for an iPhone
: Indicates the app is compiled for 64-bit architecture (required for all modern iOS devices). : The standard file extension for an iPhone