SafeMode - Analysis: pub-f238c76a0b094096949c7c5e5fa6dd6c.r2.dev

Visual Capture

Screenshot of pub-f238c76a0b094096949c7c5e5fa6dd6c.r2.dev

Detection Info

https://pub-f238c76a0b094096949c7c5e5fa6dd6c.r2.dev/zmb.html

Detected Brand

Zimbra

Country

International

Confidence

100%

HTTP Status

200

Report ID

e4c4bf4a-210…

Analyzed

2026-02-27 06:15

Final URL (after redirects)

blob:https://pub-f238c76a0b094096949c7c5e5fa6dd6c.r2.dev/50220e82-1a1a-4c26-bb83-9874bf36f95f

Content Hashes (HTML Similarity)

Used to detect similar phishing pages based on HTML content

Algorithm	Hash Value
CONTENT TLSH	T1326182214114AC32899395E023A62F5E32888BA5C703190DF6F8876E1AE2CD9CF7B625
CONTENT ssdeep	48:4SI1A6wjaewlzBGNgeaDNw2mbJNPvrCZ4yHfl89gz3Hcs2j9/z:4SEcgeBbJNPDCZ49O369/z

Visual Hashes (Screenshot Similarity)

Used to detect visually similar phishing pages based on screenshots

Algorithm	Hash Value
VISUAL pHash	99d826e4d9a4d8e3
VISUAL aHash	0000181818180000
VISUAL dHash	504cb2b2b2b2cf7b
VISUAL wHash	f87cfebf5f180000
VISUAL colorHash	000000001c0
VISUAL cropResistant	9ab8e2b2b232b2e4,504cb2b2b2b2cf7b

Code Analysis

Risk Score 82/100

Threat Level ALTO

⚠️ Phishing Confirmed

🎣 Credential Harvester 🎣 OTP Stealer 🎣 Personal Info

🔬 Threat Analysis Report

• Threat: Phishing
• Target: Zimbra users
• Method: Credential Harvesting
• Exfil: Potentially unknown (due to obfuscation)
• Indicators: Suspicious domain, credential form, obfuscated Javascript.
• Risk: High

🔒 Obfuscation Detected

eval
fromCharCode
unescape
js_packer

🎯 Kit Endpoints

https://mail.zimbra.com/css/common,login,zhtml,skin.css?skin=harmony&v=200812032126

📊 Risk Score Breakdown

Total Risk Score

90/100

Contributing Factors

Suspicious Domain

The domain is not related to Zimbra. .r2.dev is a Cloudflare development domain often used for malicious purposes.

Credential Harvesting Form

The form requests a username and password, designed to collect sensitive credentials.

Obfuscated Javascript

Obfuscation hides the true intent of the javascript code, potentially for credential exfiltration or malicious redirection.

🔬 Comprehensive Threat Analysis

Threat Type

Two-Factor Authentication Stealer

Target

Zimbra users (International)

Attack Method

Brand impersonation + credential harvesting forms + obfuscated JavaScript

Exfiltration Channel

Form submission (backend endpoint not detected - likely JavaScript-based)

Risk Assessment

CRITICAL - Automated credential harvesting with Form submission (backend endpoint not detected - likely JavaScript-based)

⚠️ Indicators of Compromise

Kit types: Credential Harvester, OTP Stealer, Personal Info
2351 obfuscation techniques

🏢 Brand Impersonation Analysis

Impersonated Brand

Zimbra

Official Website

null

Fake Service

Zimbra webmail login

⚔️ Attack Methodology

Primary Method: Credential Harvesting

The attacker sets up a fake login page that mimics the legitimate Zimbra login. Users enter their credentials, which are then harvested by the attacker.