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Security Scan Report: servicos.receitafederal.gov.br

Submitted: May 21, 2026, 10:45:28 PMCompleted: May 21, 2026, 10:48:12 PMpubliccompleted
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Summary

This website contacted 2 IPs in 2 countries across 2 domains to perform 9 HTTP transactions. The main domain is servicos.receitafederal.gov.br and was registered NaN years ago.

Submitted URL: https://servicos.receitafederal.gov.br/unsubsc

AI Security Verdict

Safe Website

Confidence: 92%

0
Risk Score

The site appears to be a legitimate government service page with no malicious indicators.

Safety Factors
Uses reputable .gov.br domain
Long domain registration history
Absence of malicious signals (IoCs, YARA, IDS)
No credential‑phishing or payment forms
External services (hCaptcha, Cloudflare) are reputable
Domain age information unavailable

Details

Primary Scan Blocked — Fallback Capture Shown

The primary scanner could not load this page (possible bot protection). The screenshot and page details shown were captured by a fallback browser that loaded the page successfully.

Page Title

Portal de Serviços Digitais da Receita Federal

Scan Type

public

Language

🇵🇹

Portuguese

(80% confidence)

Category

government

(48%)

Domain Information

Domain 'servicos.receitafederal.gov.br' uses the Brazilian country-code top-level domain (.gov.br), featuring subdomain 'servicos'. Count 14 characters in 'receitafederal' with seven vowels and seven consonants. Breaking it apart gives 5 words: re, ce, it, a, federal. Median word length comes out to 2 characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://servicos.receitafederal.gov.br/unsubsc

Page Load Overview

95.13s
Total Load Time
42
HTTP Requests
9
Domains
3.0 MB
Total Size

Language Analysis

Primary Language

🇵🇹Portuguese
Code: pt
Confidence:80%
Script:Latin
Direction:ltr

Detection Details

Language Code:pt
Detection Confidence:80%
Script Type:Latin
HTML Lang Attribute:pt-BR
Text Length:2,891 chars
Detector Agreement:100%

Website Classification

Primary Category

government48% confidence
Type: dynamic
Method: ml+structural

All Detected Categories

government
48%
government public service
38%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
21104.17.24.14United States
AS13335Cloudflare, Inc.
21189.9.176.194Brasília, Federal District, Brazil
AS10954SERVICO FEDERAL DE PROCESSAMENTO DE DADOS - SERPRO
422--

Detected Technologies2

X-UA-Compatible
100%
HSTS
40%

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1C2133228CED8C93A8BACDA598DD5F61E96BE6D05848551F095C0834DFACFBF109D2E30

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

768:X4OzIK8Ip5sCUEk6dZt6Nkcts8DCrey2x+tB:X4yKTnEk6dZtlctABB

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:44584:fCwAQTowZIkEgB1BkzQApEJXh4IpqFgoEiQkSAk5FBvwFCBUA5ggCKGgGQsMhCCfBVKHAgKF1qlYAIK9aNw8KAAbgmVhAmiF

These hashes enable detection of similar websites and malware variants by comparing content similarity even when exact matches aren't found.

Image Hashes

Perceptual Hashes

Average Hash:181818181800ffff
Perceptual Hash:c81ce337c936629e
Difference Hash:33b2b2b2b2300e00
Wavelet Hash:993c3c181800ffff
Color Hash:#ac8553

Other Hashes

Crop Resistant:b08c8e86aa968c8e,c026030001010300,33b2b2b2b2b2b24c

Scan History

Scan history not available

Unable to load historical scan data