If you need to open the file in Illustrator for design work: Create a new Illustrator document. the PDF into the new document. Go to Object > Flatten Transparency . Check Convert All Text to Outlines .
Note: This makes the text uneditable, but it will be visible and printable. 4. Force Font Substitution cidfont f1 f2 f3 f4 f5 f6 install
CID (Character Identifier) font encoding is a method used to support complex character sets, often used for non-Latin scripts like Chinese, Japanese, or Korean (CJK). When a PDF is exported without its original fonts fully embedded, software like Adobe Acrobat or Illustrator assigns generic labels such as , F2 , and so on, to represent the missing data. Impossible fonts to be found / Fontes impossíveis de achar If you need to open the file in
How to Install CIDFont F1, F2, F3, F4, F5, F6 (Legacy Adobe Fonts) Check Convert All Text to Outlines
gs -h | grep -i font gs -c "(/F1) findfont == quit" 2>&1 | grep -i F1