Attach (recommended) or Link to PDF file here: [ar99.pdf](https://github.com/mozilla/pdf.js/files/7086733/ar99.pdf)
https://www.dallasfed.org/fed/~/media/documents/fed/annual/1999/ar99.pdf 

Configuration:
- Web browser and its version: Firefox Browser 72.0.2 (64-bit)
- Operating system and its version: Windows 10 Enterprise version 1809
- PDF.js version: 2.4.152
- Is a browser extension:

Steps to reproduce the problem:
1. Open URL
2. Observe

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/60226822/72994265-6a03c780-3dbc-11ea-8914-42563b321546.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/60226822/72994291-77b94d00-3dbc-11ea-9de2-6214a4d4b361.png)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

t[147] = 177;
  t[148] = 8804;
  t[149] = 8805;
  t[150] = 165;
  t[151] = 181;
  t[152] = 8706;
  t[153] = 8721;
  t[154] = 8719;
  t[156] = 8747;
  t[157] = 170;
  t[158] = 186;
  t[159] = 8486;
  t[160] = 230;
  t[161] = 248;
  t[162] = 191;
  t[163] = 161;
  t[164] = 172;
  t[165] = 8730;
  t[166] = 402;
  t[167] = 8776;
  t[168] = 8710;
  t[169] = 171;
  t[170] = 187;
  t[171] = 8230;
  t[200] = 193;
  t[203] = 205;
  t[210] = 218;
  t[223] = 711;
  t[224] = 321;
  t[225] = 322;