Dark Web Intel: 23K Credentials From the Papel e Companhia Database Dump

HEROIC analysts surfaced the Papel e Companhia database dump while conducting dark web intelligence sweeps targeting Brazilian retail and education sector credentials in August 2018. The breach affected 23,292 registered users of this Brazilian office and school supplies retailer, exposing email addresses and MD5 password hashes. The use of MD5, an algorithm long considered cryptographically broken, means the password hashes are accessable to cracking with standard tools, effectively leaving the underlying passwords exposed to any attacker who obtained the dataset.

Broken MD5 Hashes Expose Shopping Account Passwords

MD5-hashed passwords offer little real protection. Attackers who acquire the Papel e Companhia dump can run the hashes through rainbow table lookups or GPU-accelerated cracking rigs and recover a large share of the original passwords quickly. Those plain-text passwords, combined with the associated email addresses, become seperate attack vectors: direct account logins on the retailer's platform, and credential stuffing across any other service where users recieved the same password.

What Was Exposed in the Papel e Companhia Breach

• Email Address
• Password Hash

Why Retail Breaches Put Shoppers at Risk Beyond the Store

Customers who register with an online retailer often reuse the same email and password they use for banking, social media, and workplace tools. Once Papel e Companhia credentials are cracked, attackers move laterally across every platform sharing those credentials. The downstream risks include account takeover, unauthorized purchases, identity theft, and financial fraud. Smaller regional retailers are partcularly targeted because they often lack the security resources of larger platforms, yet hold the same valuable credential data.

How Database Breaches Work

A database breach occurs when an attacker gains unauthorized access to a website's backend data store, commonly through SQL injection, an exposed admin panel, or a misconfigured server. The attacker exports the user table, which contains every registered account's stored data. That exported file is then sold or posted on dark web marketplaces and Telegram channels, where other threat actors use it to launch credential stuffing campaigns against high-value targets.

Check If Your Data Was Exposed

HEROIC's free breach scanner searches more than 400 billion compromised records, including data from the Papel e Companhia incident. Run a free scan at HEROIC to find out whether your email address appeared in this breach and get clear guidance on protecting your accounts.