While often hosting fan-made fonts, you can find the "Cid" or "Cidly" variants here. Look for the author's notes regarding the F-scale.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Cid Font F1 F2 F3 F4 F5 Free Download
Usually, these fonts are meant to be embedded within the PDF. If they aren't, your PDF reader doesn't know which "real" font to use to display the text. Can You Download These Fonts for Free? While often hosting fan-made fonts, you can find
What are you using (Windows, Mac, Android, iOS)? Which PDF reader software is showing this error? Are you trying to view, edit, or print the document? This link or copies made by others cannot be deleted
When a PDF is exported incorrectly without embedding the actual typefaces, your PDF reader sees instructions to load "Internal Font 1" (F1) or "Internal Font 2" (F2). Because your local operating system does not have a font named "F1," the document fails to display correctly. Why You Cannot Download "CID Font F1" Directly
Search for the "Adobe Acrobat Reader DC Font Pack (Continuous)."
When you see designations like F1 , F2 , F3 , F4 , or F5 appended to a CID font, these are not the actual names of the fonts. Instead, they are or labels created by the PDF generation software (like Adobe Acrobat, Microsoft Word, or a scanner's software).