When you export a PDF, the writer sometimes strips the original font name to save space or due to subsetting. If you open the PDF in a text editor or check the Fonts tab in Acrobat Pro, you might see:
: Software often assigns these names (F1, F2, etc.) when it cannot decode or find the original font name during export. cid font f1 f2 f3 f4 better
: You will usually see a prefix like ABCDEF+CIDFont+F1 . This prefix is a randomized string used to ensure that the font subset remains unique when multiple PDFs are merged. Are CID Fonts "Better" than Standard Fonts? When you export a PDF, the writer sometimes