Use the methods above to identify the actual font behind each CIDFont+Fx . For example:
A CIDFont system consists of two parts:
The CidFont F series is a collection of CID-keyed fonts, which are a type of PostScript font. These fonts are designed to support the vast number of characters used in CJK languages. The fonts are typically used in conjunction with a CJK language rendering engine, such as those used in PDF viewers, printers, and other document processing software. cidfont f1 f2 f3 f4 f5 f6 full
The sequence F1, F2, F3... is simply the standard naming convention used by PDF generation libraries (like Adobe Distiller, Ghostscript, or PDFKit) when encoding a document. Use the methods above to identify the actual