**Link to PDF file (or attach file here):**
[tocheckFile.pdf](https://github.com/mozilla/pdf.js/files/240714/tocheckFile.pdf)

**Configuration:**
- Web browser and its version: FF45.0.2, Chrome Version 50.0.2661.86 (64-bit) 
- Operating system and its version: Mac OSX El Capitan

**\- PDF.js version:**
PDFJS.version = '1.1.215';
PDFJS.build = 'c9a7498';

**Steps to reproduce the problem:**
1. Use the lib to generate a PDF preview.

**What is the expected behavior? (add screenshot)**
PDF preview should have rendered completely. (frog head should be complete)

**What went wrong? (add screenshot)**
<img width="952" alt="imagesnotrenderinginpreview" src="https://cloud.githubusercontent.com/assets/10231850/14889265/cecb2d64-0d66-11e6-98e1-da2d39728552.png">

See attached screenshot in regards to the pdf file

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

const buffer = [
    date.getUTCFullYear().toString(),
    (date.getUTCMonth() + 1).toString().padStart(2, "0"),
    date.getUTCDate().toString().padStart(2, "0"),
    date.getUTCHours().toString().padStart(2, "0"),
    date.getUTCMinutes().toString().padStart(2, "0"),
    date.getUTCSeconds().toString().padStart(2, "0"),
  ];
  return buffer.join("");
}
/**
 * Promise Capability object.
 *
 * @typedef {Object} PromiseCapability
 * @property {Promise<any>} promise - A Promise object.
 * @property {boolean} settled - If the Promise has been fulfilled/rejected.
 * @property {function} resolve - Fulfills the Promise.
 * @property {function} reject - Rejects the Promise.
 */
/**
 * Creates a promise capability object.
 * @alias createPromiseCapability
 *
 * @returns {PromiseCapability}
 */
function createPromiseCapability() {