You would need to take screenshots and links to the malware, you may also have to send the links to VirusTotal - https://www.virustotal.com/#/home/upload https:

You would need to take screenshots and links to the malware, you may also have to send the links to VirusTotal - https://www.virustotal.com/#/home/upload https://www.virustotal.com/#/home/upload URL submission. If it is targeted then you will have a bigger problem getting this resolved and law enforcement agencies would have to take over the investigation as it would be out of the scope of most to properly review this.