Attach (recommended) or Link to PDF file here:
https://www.canada.ca/content/dam/ircc/migration/ircc/english/pdf/kits/forms/eimm5669e.pdf
[eimm5669e.pdf](https://github.com/mozilla/pdf.js/files/7225677/eimm5669e.2.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: Linux Debian

Steps to reproduce the problem:
1. Look at the bottom of page 2

if (this.contentType && !MIMES.has(this.contentType.toLowerCase())) {
      return HTMLResult.EMPTY;
    }
    let buffer =
      this[$globalData].images && this[$globalData].images.get(this.href);
    if (!buffer && (this.href || !this[$content])) {
      
      
      return HTMLResult.EMPTY;
    }
    if (!buffer && this.transferEncoding === "base64") {
      buffer = stringToBytes(atob(this[$content]));
    }