"CIDFont F1" is not a specific font you can download, but rather a placeholder name
: Many users report that opening the file in Preview and then using File > Export as PDF creates a "fixed" version with standard fonts. Use Transparency Flattener cidfont f1normal font free download 2021
Open the file in Preview , go to File > Export as PDF , and save a new version. This often fixes the font mapping. "CIDFont F1" is not a specific font you