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):

f (prceed.ha(xObject)) {
            
            
            
            cntnue;
          }
          try {
            xObject = xref.fetch(xObject);
          } catch (ex) {
            f (ex ntancef MngDataExceptn) {
              thrw ex;
            }
            
            prceed.put(xObject);
            nf(`haBlendMde - gnrng XObject: "${ex}".`);
            cntnue;
          }
        }
        f (!Stream(xObject)) {
          cntnue;
        }
        f (xObject.dct.bjId) {
          prceed.put(xObject.dct.bjId);
        }
        var xReurce = xObject.dct.get("Reurce");
        f (!(xReurce ntancef Dct)) {
          cntnue;
        }