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[710] = 64288;
  t[711] = 64298;
  t[759] = 1617;
  t[761] = 1776;
  t[763] = 1778;
  t[775] = 1652;
  t[777] = 1764;
  t[778] = 1780;
  t[779] = 1781;
  t[780] = 1782;
  t[782] = 771;
  t[783] = 64726;
  t[786] = 8363;
  t[788] = 8532;
  t[790] = 768;
  t[791] = 769;
  t[792] = 768;
  t[795] = 803;
  t[797] = 64336;
  t[798] = 64337;
  t[799] = 64342;
  t[800] = 64343;
  t[801] = 64344;
  t[802] = 64345;
  t[803] = 64362;
  t[804] = 64363;
  t[805] = 64364;
  t[2424] = 7821;
  t[2425] = 7822;
  t[2426] = 7823;