The Zeus Panda banking Trojan was used to infect users with Zeus Panda malware. The malware targeted specific sets of search keywords that are likely to be queried by potential targets using search engines such as Google. By poisoning the search results for specific banking related keywords, the attackers were able to effectively target specific users in a novel fashion. By leveraging compromised web servers, the attacker was able to ensure that their malicious results would be ranked highly within search engines, thus increasing the likelihood they would be clicked on by potential victims.”]
Source: https://blog.talosintelligence.com/2017/11/zeus-panda-campaign.html