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[1005] = 49;
  t[1006] = 50;
  t[1007] = 51;
  t[1008] = 52;
  t[1009] = 53;
  t[1010] = 54;
  t[1011] = 55;
  t[1012] = 56;
  t[1013] = 57;
  t[1081] = 37;
  t[1085] = 43;
  t[1086] = 45;
});
function getStandardFontName(name) {
  const fontName = normalizeFontName(name);
  const stdFontMap = getStdFontMap();
  return stdFontMap[fontName];
}
export {
  getFontNameToFileMap,
  getGlyphMapForStandardFonts,
  getNonStdFontMap,
  getSerifFonts,
  getStandardFontName,
  getStdFontMap,
  getSupplementalGlyphMapForArialBlack,
  getSupplementalGlyphMapForCalibri,
  getSymbolsFonts,
};