Attach (recommended) or Link to PDF file here:
[docOficialPDF.php.pdf](https://github.com/mozilla/pdf.js/files/7159923/docOficialPDF.php.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: linux debian
- PDF.js version: built-in viewer
- Is a browser extension: no

Steps to reproduce the problem:
1. Open the pdf page 2
2. Checkbox "Alta" in section 2 must be checked

It works fine with evince.
const rgbColor = new Uint8ClampedArray(3);
  if (!Array.isArray(color)) {
    return rgbColor;
  }
  switch (color.length) {
    case 0: 
      return null;
    case 1: 
      ColorSpace.singletons.gray.getRgbItem(color, 0, rgbColor, 0);
      return rgbColor;
    case 3: 
      ColorSpace.singletons.rgb.getRgbItem(color, 0, rgbColor, 0);
      return rgbColor;
    case 4: 
      ColorSpace.singletons.cmyk.getRgbItem(color, 0, rgbColor, 0);
      return rgbColor;
    default:
      return rgbColor;
  }
}
function getQuadPoints(dict, rect) {