: Open the file in a standard viewer like macOS Preview or a web browser and "Export as PDF" or "Print to PDF." This can sometimes re-encode the fonts and make the file readable in editing software.
If you are determined to find a font with a similar aesthetic to what you see in the PDF, you can search reputable libraries like Google Fonts or Adobe Fonts . Sites like OnlineWebFonts and Fonts101 list "CIDFont" as a keyword, but these are usually just user-uploaded versions of other fonts renamed to match the error they encountered. Impossible fonts to be found / Fontes impossíveis de achar cid font f1 f2 f3 f4 free download link
: In Adobe Acrobat, go to File > Properties > Fonts to see if the PDF lists the "Actual Font" being substituted. This may give you the real name of the font you need to install. Where to Find Similar Fonts : Open the file in a standard viewer
: Many users find that CID Font F1 and F2 often map to standard families. Try replacing the missing fonts with Arial or Myriad Pro . Impossible fonts to be found / Fontes impossíveis
Instead of searching for a "free download link," you can resolve the issue using these professional workarounds: