Attach (recommended) or Link to PDF file here:
[test.pdf](https://github.com/mozilla/pdf.js/files/6270827/test.pdf)
Configuration:
- Web browser and its version:chrome 89
- Operating system and its version:win10
- PDF.js version: 2.4/2.7/2.8 no working
- Is a browser extension: no 

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/18545199/113852392-1ae26080-97cf-11eb-9dc9-0cecf52d267b.png)

What went wrong? (add screenshot)
![1617791294(1)](https://user-images.githubusercontent.com/18545199/113852355-10c06200-97cf-11eb-8672-598750f1093a.jpg)


console this log : **FormatError: TrueType Collection does not contain "DCWGQU+CambriaMath" font** 

any solution?thanks
source,
        sourceStart,
        sourceEnd,
        dest,
        destStart,
        hintsValid
      ) {
        var glyphProfile = {
          length: 0,
          sizeOfInstructions: 0,
        };
        if (sourceEnd - sourceStart <= 12) {
          
          return glyphProfile;
        }
        var glyf = source.subarray(sourceStart, sourceEnd);
        var contoursCount = signedInt16(glyf[0], glyf[1]);
        if (contoursCount < 0) {
          
          contoursCount = -1;
          writeSignedInt16(glyf, 0, contoursCount);
          
          dest.set(glyf, destStart);
          glyphProfile.length = glyf.length;
          return glyphProfile;
        }
        var i,