Attach (recommended) or Link to PDF file here:
[test.pdf](https://github.com/mozilla/pdf.js/files/6715502/test.pdf)

Configuration:
- Web browser and its version: Google Chrome Version 91.0.4472.114 
- Operating system and its version: Windows 10 Enterprise
- PDF.js version: 
- Is a browser extension: yes

Steps to reproduce the problem:
1. download file
2. open file



What is the expected behavior? (add screenshot)
show symbol
![image](https://user-images.githubusercontent.com/50500976/123409847-55ca8800-d5b7-11eb-9e5b-c7f3b33c00e1.png)

What went wrong? (add screenshot)
Does not show symbol
![image](https://user-images.githubusercontent.com/50500976/123409707-274cad00-d5b7-11eb-9a64-b11dcf3cdc3f.png)
Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension): Latest Version Chrome extension

this.capHeight = properties.capHeight / PDF_GLYPH_SPACE_UNITS;
    this.ascent = properties.ascent / PDF_GLYPH_SPACE_UNITS;
    this.descent = properties.descent / PDF_GLYPH_SPACE_UNITS;
    this.lineHeight = this.ascent - this.descent;
    this.fontMatrix = properties.fontMatrix;
    this.bbox = properties.bbox;
    this.defaultEncoding = properties.defaultEncoding;
    this.toUnicode = properties.toUnicode;
    this.toFontChar = [];
    if (properties.type === "Type3") {
      for (let charCode = 0; charCode < 256; charCode++) {
        this.toFontChar[charCode] =
          this.differences[charCode] || properties.defaultEncoding[charCode];
      }
      this.fontType = FontType.TYPE3;
      return;
    }
    this.cidEncoding = properties.cidEncoding;
    this.vertical = !!properties.vertical;
    if (this.vertical) {
      this.vmetrics = properties.vmetrics;
      this.defaultVMetrics = properties.defaultVMetrics;
    }
    if (!file || file.isEmpty) {
      if (file) {
        
        
        warn('Font file is empty in "' + name + '" (' + this.loadedName + ")");
      }
      this.fallbackToSystemFont(properties);