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[3123] = 1886;
  t[3124] = 1886;
  t[3127] = 1887;
  t[3128] = 1887;
  t[3131] = 1888;
  t[3132] = 1888;
  t[3135] = 1889;
  t[3136] = 1889;
  t[3139] = 1890;
  t[3140] = 1890;
  t[3143] = 1891;
  t[3144] = 1891;
  t[3147] = 1892;
  t[3148] = 1892;
  t[3153] = 580;
  t[3154] = 581;
  t[3157] = 584;
  t[3158] = 585;
  t[3161] = 588;
  t[3162] = 589;
  t[3165] = 891;
  t[3166] = 892;
  t[3169] = 1274;
  t[3170] = 1275;
  t[3173] = 1278;
  t[3174] = 1279;
  t[3181] = 7622;
  t[3182] = 7623;
  t[3282] = 11799;
  t[3316] = 578;