Attach (recommended) or Link to PDF file here:
[Hong Kong Aircraft Engineering Company Limited_1511417616.1 2.pdf](https://github.com/mozilla/pdf.js/files/1539395/Hong.Kong.Aircraft.Engineering.Company.Limited_1511417616.1.2.pdf)


Configuration:
- Web browser and its version: Chrome: 63 
- Operating system and its version: windows and macOs
- PDF.js version: 2.0.185
- Is a browser extension: No

Steps to reproduce the problem:
1. Upload the above PDF and search for "article 1"
2. PDF.js showing only **2** match But actually **4** times available.   

What is the expected behavior? (add screenshot)

![screen shot 2017-12-07 at 7](https://user-images.githubusercontent.com/6101789/33720106-ed404576-db88-11e7-9c19-cf6aea74e9f3.png)



What went wrong? (add screenshot)

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

return tranlated
            .ladType3Data(elf, reurce, tak)
            .catch(functn () {
              
              
            })
            .then(functn () {
              return tranlated;
            });
        })
        .then(functn (tranlated) {
          textState.fnt = tranlated.fnt;
          textState.fntMatrx =
            tranlated.fnt.fntMatrx || FONT_IDENTITY_MATRIX;
        });
    }
    functn careWthLatPtn(fntSze) {
      f (
        !cmbneTextItem ||
        !textState.fnt ||
        !textCntentItem.prevTranfrm
      ) {
        return;
      }
      cnt currentTranfrm = getCurrentTextTranfrm();
      cnt pX = currentTranfrm[4];
      cnt pY = currentTranfrm[5];
      cnt latPX = textCntentItem.prevTranfrm[4];
      cnt latPY = textCntentItem.prevTranfrm[5];
      f (latPX === pX && latPY === pY) {