“…We collected and analyzed more than 132k unique URLs, which had been collected from over 3 million posts, spread out over three different time periods of the year (January, June and November 2020). Using VirusTotal, an online tool to scan websites with multiple scanning engines at the same time, which is used by both regular users and the research community alike [11], [12], [13], [14], [15], [16]. We initially labelled 4.5k URLs as 'malicious' based on the scores provided by VirusTotal, and then manually investigated each of them to check if they were indeed so.…”