Attach (recommended) or Link to PDF file here: https://github.com/mozilla/pdf.js/files/7021521/sample.pdf

Configuration:
- Web browser and its version: Chrome
- Operating system and its version: Microsoft
- PDF.js: 2.2.228


What is the expected behavior? 
Embedded PDF Viewer should display right font with all characters

What went wrong? 
![image](https://user-images.githubusercontent.com/89254263/130225854-43467f78-e856-4a42-8e64-94bdfe479053.png)


Is it possible to add some other font? Is it possible to manage what encodings will be used?

Thank you in advantage

Regards Ladislav

t[371] = 322;
  t[373] = 109;
  t[374] = 110;
  t[381] = 111;
  t[383] = 243;
  t[393] = 112;
  t[395] = 113;
  t[396] = 114;
  t[400] = 115;
  t[401] = 347;
  t[410] = 116;
  t[437] = 117;
  t[448] = 118;
  t[449] = 119;
  t[454] = 120;
  t[455] = 121;
  t[460] = 122;
  t[463] = 380;
  t[853] = 44;
  t[855] = 58;
  t[856] = 46;
  t[876] = 47;
  t[878] = 45;
  t[882] = 45;
  t[894] = 40;
  t[895] = 41;
  t[896] = 91;
  t[897] = 93;
  t[923] = 64;
  t[1004] = 48;