A payload chain is the ordered sequence attackers use to get from an initial lure to the final malicious code. It often starts with a phishing attachment, link, or shortcut, then moves through execution, downloader activity, and payload retrieval before the main malware runs. Each step in the chain has a purpose: evade detection, persuade the user, stage the next component, or prepare persistence.
Payload chains matter because defenders rarely stop one file in isolation. A harmless-looking document or shortcut may only be the first link in a longer attack that ends with a remote access trojan, credential theft, or data theft. Security teams look for the whole chain by correlating email content, file associations, process launches, network requests, and unusual access to sensitive stores. Breaking any link, such as blocking script execution or flagging suspicious shortcuts, can stop the final payload from ever loading.