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
if (sfnt === "true") {
        
        sfnt = string32(0x00010000);
      }
      file[0] = sfnt.charCodeAt(0) & 0xff;
      file[1] = sfnt.charCodeAt(1) & 0xff;
      file[2] = sfnt.charCodeAt(2) & 0xff;
      file[3] = sfnt.charCodeAt(3) & 0xff;
      
      writeInt16(file, 4, numTables);
      var searchParams = OpenTypeFileBuilder.getSearchParams(numTables, 16);
      
      writeInt16(file, 6, searchParams.range);
      
      writeInt16(file, 8, searchParams.entry);
      
      writeInt16(file, 10, searchParams.rangeShift);
      offset = OTF_HEADER_SIZE;
      
      for (i = 0; i < numTables; i++) {
        tableName = tablesNames[i];
        file[offset] = tableName.charCodeAt(0) & 0xff;
        file[offset + 1] = tableName.charCodeAt(1) & 0xff;
        file[offset + 2] = tableName.charCodeAt(2) & 0xff;
        file[offset + 3] = tableName.charCodeAt(3) & 0xff;
        
        var checksum = 0;
        for (j = tableOffsets[i], jj = tableOffsets[i + 1]; j < jj; j += 4) {
          var quad = readUint32(file, j);
          checksum = (checksum + quad) >>> 0;