Phishing Analysis
Detailed analysis of captured phishing page
Visual Capture
Detection Info
https://emprestimo-nu.com/inicio/01/
Detected Brand
Nubank
Country
International
Confidence
100%
HTTP Status
200
Report ID
a32744b0-780…
Analyzed
2026-02-18 05:23
Content Hashes (HTML Similarity)
Used to detect similar phishing pages based on HTML content
| Algorithm | Hash Value |
|---|---|
|
CONTENT
TLSH
|
T1AD32EA7072901ABB91CBD2E1B275AF5A72C8CB4BCA5BD701A3F983845FC7C92DD48254 |
|
CONTENT
ssdeep
|
192:hZLLSPaLKGHnC//swsIwaocZ4J3u5uxTRWAwzDfS:nL6QHnC3swRZITJRWAwzDq |
Visual Hashes (Screenshot Similarity)
Used to detect visually similar phishing pages based on screenshots
| Algorithm | Hash Value |
|---|---|
|
VISUAL
pHash
|
b3333333c9cc6664 |
|
VISUAL
aHash
|
e7e7e7ffe7e7ffff |
|
VISUAL
dHash
|
4d4d4d124c4d120a |
|
VISUAL
wHash
|
0707070f27272f3f |
|
VISUAL
colorHash
|
07200000030 |
|
VISUAL
cropResistant
|
4d4d4d124c4d120a,33f4d989f9e5cdd9 |
Code Analysis
Risk Score
76/100
Threat Level
ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester
🎣 OTP Stealer
🎣 Banking
🎣 Personal Info
🔬 Threat Analysis Report
• Threat: Phishing
• Target: Nubank customers
• Method: Impersonation to steal credentials and financial info
• Exfil: Unknown
• Indicators: Domain mismatch, Brand impersonation, loan scam.
• Risk: HIGH
🔒 Obfuscation Detected
- fromCharCode
- unicode_escape
🎯 Kit Endpoints
- https://emprestimo-nu.com/inicio/01/api/submit
📡 API Calls Detected
- POST
📊 Risk Score Breakdown
Total Risk Score
90/100
Contributing Factors
Domain Age
The domain is recent and suspicious.
Brand Impersonation
The site closely mimics the Nubank brand.
🔬 Comprehensive Threat Analysis
Threat Type
Banking Credential Harvester
Target
Nubank users (International)
Attack Method
Brand impersonation + obfuscated JavaScript
Exfiltration Channel
Form submission (backend endpoint not detected - likely JavaScript-based)
Risk Assessment
HIGH - Automated credential harvesting with Form submission (backend endpoint not detected - likely JavaScript-based)
⚠️ Indicators of Compromise
- Kit types: Credential Harvester, OTP Stealer, Banking, Personal Info
- 18 obfuscation techniques
🏢 Brand Impersonation Analysis
Impersonated Brand
Nubank
Official Website
nubank.com.br
Fake Service
Loans, Credit
Fraudulent Claims
⚔️ Attack Methodology
Primary Method: Phishing
The site attempts to steal personal and financial information by impersonating Nubank. The user is prompted to 'Activate your credit' and will likely be asked to provide sensitive details.
🌐 Infrastructure Indicators of Compromise
🦠 Malicious Files
Main File
B7PYnCHDexx2.js
File Size
📊 Attack Flow Diagram
User fills <input name='cpf'> → processForm() → fetch('https://emprestimo-nu.com/inicio/01/api/submit') → data exfiltration
🔬 JavaScript Deep Analysis
Operator Language
Portuguese (1%)
Total Code Size
411.5 KB
🔗 API Endpoints Detected
Other
5
🔐 Obfuscation Detected
- : Moderate
- : None
🤖 AI-Extracted Threat Intelligence
📊 Attack Flow
User fills <input name='cpf'> → processForm() → fetch('https://emprestimo-nu.com/inicio/01/api/submit') → data exfiltration
🎯 Malicious Files Identified
Main Drainer
B7PYnCHDexx2.jsFile Size
45KB
Malicious Functions
processFormconsultarCPF
Similar Websites
Pages with identical visual appearance (based on perceptual hash)
Nubank
https://atendimento.portal-seucredito.com/
Jun 25, 2026
Nubank
https://emprestimoliberado.com/inicio/01/
Feb 13, 2026
Nubank
https://emprestimoliberado.com/aa/inicio/01/
Feb 12, 2026
Nubank
https://nuudin.site/1/
Feb 12, 2026
NuBank
https://seguniao.pro/inicio/01/?utm_source=google&utm_ca...
Feb 12, 2026
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