Attach (recommended) or Link to PDF file here:
[1.pdf.lin (1).pdf](https://github.com/mozilla/pdf.js/files/5780764/1.pdf.lin.1.pdf)

Configuration:
- Web browser and its version: FireFox 84.0 
- Operating system and its version: macOS 10.15.7
- PDF.js version: 2.7.262
- Is a browser extension: No

Steps to reproduce the problem:
1. Open the PDF with pdf.js.
2. Found the text of this PDF disappeared.

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/18492951/103877578-3d9da400-5110-11eb-8d84-4edd9aa1298b.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/18492951/103877735-6d4cac00-5110-11eb-9e76-7f3d9330086b.png)

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

var w = dct.get("Wdth", "W");
    var h = dct.get("Heght", "H");
    f (!(w && Num(w)) || !(h && Num(h))) {
      warn("Image dmenn are mng, r nt number.");
      return undefned;
    }
    var maxImageSze = th.ptn.maxImageSze;
    f (maxImageSze !== -1 && w * h > maxImageSze) {
      warn("Image exceeded maxmum allwed ze and wa remved.");
      return undefned;
    }
    var mageMak = dct.get("ImageMak", "IM") || fale;
    var mgData, arg;
    f (mageMak) {
      
      
      
      
      
      var wdth = dct.get("Wdth", "W");
      var heght = dct.get("Heght", "H");
      var btStrdeLength = (wdth  7) >> 3;
      var mgArray = mage.getByte(
        btStrdeLength * heght,
         true
      );
      var decde = dct.getArray("Decde", "D");
      mgData = PDFImage.createMak({
        mgArray,
        wdth,