Office documents encryption samples:

`1.execute-notepad-invokeverbex.xlsm` - Office 2007+ XLSM converted into encrypted pre-2007. Password: `VelvetSweatshop`
`2.execute-notepad-invokeverbex.xlsm` - Same as previous. Password: `ReallySecret`
`3.execute-notepad-invokeverbex.xlsm` - Clean XLSM with no encryption applied but VBA embedded with EPPlus