What it detects01
What does 'Favicon Domain Low Popularity' indicate?
It indicates that the domain hosting the favicon has very low observed traffic, reputation, or backlink presence, suggesting limited legitimate usage.
Favicon Domain Low Popularity
It indicates that the domain hosting the favicon has very low observed traffic, reputation, or backlink presence, suggesting limited legitimate usage.
Analyst Q&A
What this signal answers
The questions every analyst asks before acting on this signal.
Why it matters02
Why is low popularity relevant for favicon-hosting domains?
Legitimate services and CDNs hosting favicon assets typically accumulate popularity signals over time. Low-popularity favicon hosts are more often seen in attacker-controlled or narrowly purposed infrastructure.
How analysts use it03
How should this signal be used in threat assessment?
Treat it as a supporting risk indicator. Its significance increases when paired with recent registration, short uptime, or malicious threat intelligence matches.
Often paired with:alert_only
Evidence shape
What Favicon Domain Low Popularity looks like in the response
A realistic shape of the entry the engine appends to the risk_signals array when this signal fires. Evidence keys are subgroup-default; per-signal overrides documented in the API reference.
json
{
"slug": "favicon_domain_low_popularity",
"name": "Favicon Domain Low Popularity",
"group": "http_crawling_history",
"subgroup": "favicon_behaviour",
"direction": "malicious",
"evidence": {
"favicon_hash": "-1293291467",
"unique_hash_count_90d": 3,
"favicon_domain": "cdn-login-assets[.]top",
"hosting_type": "third_party",
"service_match": false
}
}Siblings
Peers in Favicon Behavior
16 other signals share the same subgroup. They detect related behaviors and often co-fire on the same IOC.
Favicon Domain Malware (Security Vendors)
It indicates that one or more reputable security vendors have classified the favicon host domain as associated with malw…
MaliciousCore
Favicon Domain Malware Source
It indicates that the domain hosting the favicon has been directly observed serving malware payloads, exploit code, or m…
MaliciousCore
Favicon Domain Newly Registered
It indicates that the domain hosting the favicon was registered very recently relative to the observation time, meaning …
Malicious
Favicon Domain Short Time Up and Running
It indicates that the favicon host domain has been observed active for only a short operational window, with limited con…
Malicious
In the wild
See Favicon Domain Low Popularity fire on real IOCs
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