EXACTLY!What do you mean by "There is nothing like a PFC "? The active PFC also boost the DC output Voltage. That topology used in many power supplies these day, I.E. TV and PC power supplies.
But then again, are you still getting PFC of close to 1 or not since you made the test?
Here is the example of the PFC topology:
This application note is showing all the stuff required to compensate the drawbacks of a sine input to a DC rectifier and try to offset the current pulses on high power DC applications.