Attach (recommended) or Link to PDF file here:
[测试文件.pdf](https://github.com/mozilla/pdf.js/files/7147166/default.pdf)

Configuration:
- Web browser and its version:chrome 92.0.4515.131
- Operating system and its [version:](url) windows
- PDF.js version:v2.9.359
- Is a browser extension:no

Steps to reproduce the problem:
1. use pdf.js to open this pdf file
2. incomplete content display


What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/16495895/132935415-2b52322d-561c-4f60-97df-24e4429743ff.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/16495895/132935425-e5e6605b-71f5-4065-bb89-5c0fdbe1564b.png)

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

this.buf1 = this.lexer.getObj();
    this.buf2 = this.lexer.getObj();
  }
  shift() {
    if (this.buf2 instanceof Cmd && this.buf2.cmd === "ID") {
      this.buf1 = this.buf2;
      this.buf2 = null;
    } else {
      this.buf1 = this.buf2;
      this.buf2 = this.lexer.getObj();
    }
  }
  tryShift() {
    try {
      this.shift();
      return true;
    } catch (e) {
      if (e instanceof MissingDataException) {
        throw e;
      }
      
      
      return false;
    }
  }
  getObj(cipherTransform = null) {