Inside the URL Stealer Log: 3,934,417 Site Links Exposed

Not every stealer log gets a memorable name. The file HEROIC analysts tracked simply as URL surfaced on Telegram on October 30, 2025, and despite its plain label it carried a serious payload: 3,934,417 records of plaintext emails, passwords, and the exact web links tied to each one.

Why This Is Dangerous

The plain name might make this file sound unremarkable, but the contents are anything but. Every one of the almost 4 million passwords inside is stored in readable text, meaning an attacker can use them the moment the file is downloaded. The site links included with each entry are what really seperate this leak from a random pile of numbers, they hand the attacker a ready-made map of exactly where each stolen login will work.

What Was Exposed

• Email addresses (3,934,417 records)
• Plaintext passwords with no encryption whatsoever
• URLs pinpointing the precise site tied to every login

Why This Matters

Nearly 4 million people are represented in this file, and each one is now exposed to credential stuffing attacks that can happen without them ever knowing. Because the URLs are attached, attackers can zero in on high-value targets like banking or email logins instead of wasting time guessing. If you've reused a password on more than one account, a single line in this file could definately put several of your accounts at risk at once.

How Stealer Logs Work

This file was created by infostealer malware, software designed to sit quietly on an infected computer and record everything it can reach, saved browser passwords, autofill fields, and live session data. Victims typically get infected by opening a malicious email attachment, installing a cracked program, or clicking a fake update notice. The malware then bundles up its findings, including the URL of each site the victim logged into, and sends the whole package back to whoever controls it.

Check If You Are Affected

With almost 4 million records in play, it's worth taking thirty seconds to check your own exposure. HEROIC's free breach scanner searches a database of more than 400 billion leaked records, including this URL stealer log. Enter your email now to see if your credentials are part of the 3,934,417 exposed.