Combine PDF in Acrobat DC Missing or Garbled Text

I have acrobat DC standart (in pro try is the same) and windows 10 anniversary.

My pdf look like this

I have hundred pdf that I want to combine them. My problem is when I join them some are with garbage or missing text. like this:

I run Preflight in one file and run embed fix and it work (I can join this pdf)

But I have many files, hundreds, so run in by one by one it takes a life.

I try go to acrobat distiller dc and run it:

Missing or Garbled Text when converting or combining PDF documents in Adobe Acrobat 9

I add

I try to combine but it doesn't work. the garbage is there.