PDFs from lumileds.com do not load with PDF.js. Part of the background loads, then only the spinner continues while using 100% CPU. 

An example pdf is http://www.lumileds.com/uploads/17/DS61-pdf 

This behaviour occurs with both the release version of pdf.js in firefox 41.0.2 and the latest .xpi downloaded from this github page.

);
    const inv = ctx.mozCurrentTransformInverse;
    if (inv) {
      const canvas = ctx.canvas;
      const width = canvas.width;
      const height = canvas.height;
      const bl = Util.applyTransform([0, 0], inv);
      const br = Util.applyTransform([0, height], inv);
      const ul = Util.applyTransform([width, 0], inv);
      const ur = Util.applyTransform([width, height], inv);
      const x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
      const y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
      const x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
      const y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
      this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
    } else {
      
      
      
      
      
      this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
    }
    this.restore();
  }
  
  beginInlineImage() {
    unreachable("Should not call beginInlineImage");
  }
  beginImageData() {