in a PDF or design program, you likely won't find a "free download" link for them. That is because these are not actual font names—they are placeholders created by software when a font isn't properly embedded.
Because "F1" or "F2" are not actual font names, there is no official "CIDFont F1" file to download from a font foundry. Searching for a "CID font F1 f2 download" often leads to untrustworthy sites. cid font f1 f2 f3 f4 f5 f6 f7 fonts free download new
Try replacing the missing F1–F7 fonts with Arial , Myriad Pro , or Rockwell to see if the appearance matches the original. in a PDF or design program, you likely
: Entirely free and highly compatible with PDF embedding. in a PDF or design program