Phishing Analysis
Detailed analysis of captured phishing page
Visual Capture
Detection Info
https://portal.regularizaregistro.com/
Detected Brand
Receita Federal
Country
Unknown
Confidence
100%
HTTP Status
200
Report ID
db50b2e9-5e2…
Analyzed
2026-07-17 13:39
Content Hashes (HTML Similarity)
Used to detect similar phishing pages based on HTML content
| Algorithm | Hash Value |
|---|---|
|
CONTENT
TLSH
|
T1C9B2B6F1C5C8763B8223C5D0F2BBEB2B33818155DB47465097F543AD8ADED81E825A8E |
|
CONTENT
ssdeep
|
384:0+k+g7ZSt62SrlS0nQfr5u5ZB4Aq5DTwCAgn+:0+kj2AQFuZ54f+ |
Visual Hashes (Screenshot Similarity)
Used to detect visually similar phishing pages based on screenshots
| Algorithm | Hash Value |
|---|---|
|
VISUAL
pHash
|
b29c9c329c3437ce |
|
VISUAL
aHash
|
8fffe7e7e7c7c7ff |
|
VISUAL
dHash
|
3b384c0c0d4d4d18 |
|
VISUAL
wHash
|
8fffe7c303030307 |
|
VISUAL
colorHash
|
07002000180 |
|
VISUAL
cropResistant
|
3b384c0c0d4d4d18,0040166969780a40 |
Code Analysis
Risk Score
76/100
Threat Level
ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester
🎣 OTP Stealer
🎣 Banking
🎣 Personal Info
🔒 Obfuscation Detected
- fromCharCode
- unicode_escape
📡 API Calls Detected
- https://www.gov.br/receitafederal/pt-br/assuntos/noticias/2026/fevereiro/receita-federal-prorroga-para-20-de-marco-o-prazo-para-adesao-a-primeira-edicao-do-programa-confia
- https://www.gov.br/receitafederal/pt-br/assuntos/noticias/2026/fevereiro/consulta-ao-lote-residual-de-restituicao-do-irpf-de-fevereiro-sera-aberta-nesta-sexta-feira-20-02
📊 Risk Score Breakdown
Total Risk Score
100/100
Contributing Factors
Active Phishing Kit
Detected kit types: Credential Harvester, OTP Stealer, Banking, Personal Info
Code Obfuscation
JavaScript code obfuscated using 6 technique(s) to evade detection
🔬 Comprehensive Threat Analysis
Threat Type
Banking Credential Harvester
Target
Receita Federal users
Attack Method
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
- 6 obfuscation techniques
🏢 Brand Impersonation Analysis
Impersonated Brand
Receita Federal
Official Website
N/A
Fake Service
Banking/payment service
⚔️ Attack Methodology
Primary Method: Credential Harvesting
Victim enters username and password into fake login form. Credentials are captured via JavaScript and exfiltrated to attacker's server in real-time.
Secondary Method: JavaScript Obfuscation
Malicious code is obfuscated using 6 techniques to evade detection by security scanners and make reverse engineering more difficult.
🌐 Infrastructure Indicators of Compromise
Domain Information
Domain
portal.regularizaregistro.com
Registered
2026-02-27 06:14:13+00:00
Registrar
Dynadot Inc
Status
Active (140 days old)
Hosting Information
Provider
Dynadot Inc
ASN
🤖 AI-Extracted Threat Intelligence
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