I think that this is just a adtech-delivered spyware and likely exploits various zero-day browser issues. Those exploits will be ever changing as some are bloc

I think that this is just a adtech-delivered spyware and likely exploits various zero-day browser issues. Those exploits will be ever changing as some are blocked and others are found. Pegasus has been doing this via SMS messages for more than a decade and they continue to be in operation quite successful even after each exploit made public is patched.