Superficial reversing shows that the ravn app mentioned, com.app.rcn may use the file as part of a speedtest:

com.app.rcn/smali/com/app/rcn/utils/InternetSpeedCalculator.smali: "hxxps://upload.wikimedia.org/wikipedia/commons/1/16/AsterNovi-belgii-flower-1mb.jpg"

edit: defanged the link to maybe save the wikimedia team some bytes