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 capability = Object.create(null);
  let isSettled = false;
  Object.defineProperty(capability, "settled", {
    get() {
      return isSettled;
    },
  });
  capability.promise = new Promise(function (resolve, reject) {
    capability.resolve = function (data) {
      isSettled = true;
      resolve(data);
    };
    capability.reject = function (reason) {
      isSettled = true;
      reject(reason);
    };
  });
  return capability;
}
function createObjectURL(data, contentType = "", forceDataSchema = false) {