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Phishing Analysis

Detailed analysis of captured phishing page

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Captura Visual

Screenshot of internalrevenue.us

Información de Detección

https://internalrevenue.us/?id=a1062e8c-584f-4bb5-8371-86af7ea92e61
Detected Brand
IRS
Country
Unknown
Confianza
100%
HTTP Status
200
Report ID
62dafdf7-e48…
Analyzed
2026-05-21 02:11

Hashes de Contenido (Similitud HTML)

Used to detect similar phishing pages based on HTML content

Algorithm Hash Value
CONTENT TLSH
T1738110B2608D6D3796C3C2D273A5675AB3A6E154CB532206CAF9C36C0BD3D42EF23194
CONTENT ssdeep
96:TQjMJsBsJfPfn5pdtBvJAJ6CA6a+3cR9Gu6BLCWh:iB0nfLh6PA6aEcRUumJ

Hashes Visuales (Similitud de Captura)

Used to detect visually similar phishing pages based on screenshots

Algorithm Hash Value
VISUAL pHash
ec3c13476713136d
VISUAL aHash
00dffffbf3ffffff
VISUAL dHash
44b694266698922c
VISUAL wHash
00c3cbdff1cf3800
VISUAL colorHash
070000001c0
VISUAL cropResistant
104030b4b4400000,b6969c6646982018,2090ca4c4c48b040

Análisis de Código

Risk Score 76/100
Nivel de Amenaza ALTO
⚠️ Phishing Confirmed
🎣 Credential Harvester 🎣 OTP Stealer 🎣 Banking 🎣 Personal Info

🔐 Credential Harvesting Forms

🔒 Obfuscation Detected

  • atob
  • unescape

📡 API Calls Detected

  • POST

📤 Form Action Targets

  • https://internalrevenue.us?id=a1062e8c-584f-4bb5-8371-86af7ea92e61&session=4DhOewNsVs8Mhc_qFEobR0lcLp-ZByZFfOJO2CySLoKK

📊 Desglose de Puntuación de Riesgo

Total Risk Score
100/100

Contributing Factors

Active Phishing Kit
Detected kit types: Credential Harvester, OTP Stealer, Banking, Personal Info
Credential Harvesting
Credential harvesting detected with 1 form(s) capturing sensitive data
Code Obfuscation
JavaScript code obfuscated using 3 technique(s) to evade detection

🔬 Análisis Integral de Amenazas

Tipo de Amenaza
Banking Credential Harvester
Objetivo
IRS users
Método de Ataque
credential harvesting forms + obfuscated JavaScript
Canal de Exfiltración
HTTP POST to backend
Evaluación de Riesgo
HIGH - Automated credential harvesting with HTTP POST to backend

⚠️ Indicators of Compromise

  • Kit types: Credential Harvester, OTP Stealer, Banking, Personal Info
  • 3 obfuscation techniques

🏢 Análisis de Suplantación de Marca

Impersonated Brand
IRS
Official Website
N/A
Fake Service
Banking/payment service

⚔️ Metodología de Ataque

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 3 techniques to evade detection by security scanners and make reverse engineering more difficult.

🌐 Indicadores de Compromiso de Infraestructura

Domain Information

Dominio
internalrevenue.us
Registered
2026-04-28 16:03:46+00:00
Registrar
Cloudflare, Inc.
Estado
Recently registered (22 days old)

Hosting Information

Provider
Cloudflare, Inc.
ASN

🤖 AI-Extracted Threat Intelligence

😰
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