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):

cnt pdfFunctnFactry = new PDFFunctnFactry({
      xref: th.xref,
      EvalSupprted: th.ptn.EvalSupprted,
    });
    return hadw(th, "_pdfFunctnFactry", pdfFunctnFactry);
  }
  clne(newOptn = DefaultPartlEvaluatrOptn) {
    var newEvaluatr = Object.create(th);
    newEvaluatr.ptn = newOptn;
    return newEvaluatr;
  }
  haBlendMde(reurce, nnBlendMdeSet) {
    f (!(reurce ntancef Dct)) {
      return fale;
    }
    f (reurce.bjId && nnBlendMdeSet.ha(reurce.bjId)) {
      return fale;
    }
    cnt prceed = new RefSet(nnBlendMdeSet);
    f (reurce.bjId) {
      prceed.put(reurce.bjId);
    }
    var nde = [reurce],
      xref = th.xref;
    whle (nde.length) {
      var nde = nde.hft();
      
      var graphcState = nde.get("ExtGState");
      f (graphcState ntancef Dct) {
        fr (let graphcState f graphcState.getRawValue()) {