Download the official, free Adobe Acrobat Reader for Mac. Because Adobe created the CID font standard, Acrobat Reader includes built-in font packets and rendering engines designed to decipher missing font aliases like F1. It will automatically substitute a readable system font so you can view the text perfectly. 2. Install the Adobe Acrobat CJK Font Pack
It is typically a "virtual" font created during the PDF export process to handle large or complex character sets (like those in Asian languages). cidfont f1 font free download for mac extra quality