Attach (recommended) or Link to PDF file here:
https://web.archive.org/web/20091223123331/http://sci2s.ugr.es/keel/pdf/specific/articulo/alp99.pdf
(aka `tests/pdfs/issue1936.pdf`)
 
When I copy/paste the multiplication sign on the first line of the first page, I got a `£`.
And when I do the same in evince I got a `×` (the same in chrome).
The font descriptor is:
```
<< /Ascent 0 /CapHeight 749 /CharSet (/multiply) /Descent 0 /Flags 262212 /FontBBox [ -27 -940 1332 825 ] /FontFile3 59 0 R /FontName /KHPEPJ+CMBSY10 /ItalicAngle -14.035 /StemV 0 /Type /FontDescriptor >>
```
So it should be possible to guess the correct character in using the `CharSet` entry:
https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/PDF32000_2008.pdf#page=291


bytes[index + 1] = value;
    bytes[index] = value >>> 8;
  }
  function signedInt16(b0, b1) {
    var value = (b0 << 8) + b1;
    return value & (1 << 15) ? value - 0x10000 : value;
  }
  function int32(b0, b1, b2, b3) {
    return (b0 << 24) + (b1 << 16) + (b2 << 8) + b3;
  }
  function string16(value) {
    return String.fromCharCode((value >> 8) & 0xff, value & 0xff);
  }
  function safeString16(value) {
    
    if (value > 0x7fff) {
      value = 0x7fff;
    } else if (value < -0x8000) {
      value = -0x8000;
    }
    return String.fromCharCode((value >> 8) & 0xff, value & 0xff);
  }
  function isTrueTypeFile(file) {
    var header = file.peekBytes(4);
    return (
      readUint32(header, 0) === 0x00010000 || bytesToString(header) === "true"
    );
  }
  function isTrueTypeCollectionFile(file) {