When I download and extract this file Download Intel® SCS Platform Discovery Utility I see the PlatformDiscovery.exe
In any case, it's probably best to hold off on provisioning any AMT machines for now until new firmwares are released.
I read your post and understand that when you clicked on the "Intel SCS Platform Discovery Utility" it downloaded the SCSDiscovery.exe file. I duplicated your steps and when I clicked on:
The URL SHOULD point to:
Maybe try clearing the cache on your browser or try an alternate browser? Hover over the link and see if it points to the above link.