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Exposing a Smishing campaign across 19 countries: 1,628 malicious URLs tied to a single 128-char HTML fingerprint

0
Medium
Published: Wed May 27 2026 (05/27/2026, 16:11:41 UTC)
Source: Reddit BlueTeam

Description

A large-scale smishing campaign has been exposed involving 1,628 malicious URLs linked by a unique 128-character HTML fingerprint. This campaign spans 19 countries and uses infrastructure distributed across multiple cloud providers including Tencent Cloud, Alibaba Cloud, Cloudflare anycast, and ALEXHOST Moldova. The campaign targets users via SMS phishing (smishing) with URLs designed to deceive recipients. The detection artifact is a consistent metadata hash found on all phishing pages, facilitating identification. There is no information about active exploitation or patches since this is a threat campaign rather than a software vulnerability.

Reddit Discussion

r/blueteamsec·posted by u/Straight-Practice-99
00

1,628 phishing URLs across 33 backend IPs mapped from a single domain pivot. Infrastructure spans Tencent Cloud (15 IPs), Alibaba Cloud (3 IPs), Cloudflare anycast (14 IPs), and ALEXHOST Moldova (2 IPs).

Detection artifact: 128-character metadata hash present in every phishing page. HuntSQL queries included in the report below:

https://hunt.io/blog/massive-smishing-campaign-governments-postal-telecoms

Also discussed in: r/threatintel

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/27/2026, 16:18:46 UTC

Technical Analysis

This threat describes a smishing campaign distributing 1,628 malicious URLs across 19 countries. The URLs share a unique 128-character HTML fingerprint, allowing correlation of the campaign infrastructure. The backend IPs are hosted on Tencent Cloud, Alibaba Cloud, Cloudflare anycast, and ALEXHOST Moldova, indicating a distributed infrastructure. The campaign is identified through a metadata hash present on all phishing pages. The source information comes from a Reddit post linking to a detailed blog report by Hunt.io. No CVE or patch information is associated since this is a phishing campaign rather than a software vulnerability.

Potential Impact

The campaign potentially exposes users in 19 countries to SMS phishing attacks that could lead to credential theft, fraud, or other social engineering impacts. The distributed infrastructure across multiple cloud providers complicates takedown efforts. There is no direct indication of exploitation in the wild beyond the campaign's existence. The impact is primarily on end users targeted by smishing messages and organizations whose users may be affected.

Mitigation Recommendations

No official patch or fix applies as this is a phishing campaign. Mitigation should focus on user awareness to recognize smishing attempts and blocking or blacklisting the identified malicious URLs using the 128-character HTML fingerprint as a detection artifact. Network defenders can leverage the metadata hash to detect and filter related phishing pages. Monitoring and collaboration with cloud providers hosting the infrastructure may assist in takedown efforts. Since no vendor advisory or patch is available, follow updates from threat intelligence sources for further guidance.

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Technical Details

Source Type
reddit
Subreddit
blueteamsec+AskNetsec+Information_Security
Reddit Score
0
Discussion Level
minimal
Content Source
reddit_link_post
Post Type
link
Domain
null
Newsworthiness Assessment
{"score":30,"reasons":["external_link","newsworthy_keywords:campaign","established_author","very_recent"],"isNewsworthy":true,"foundNewsworthy":["campaign"],"foundNonNewsworthy":[]}
Has External Source
true
Trusted Domain
false

Threat ID: 6a171959e29bf47b50d00703

Added to database: 5/27/2026, 4:18:33 PM

Last enriched: 5/27/2026, 4:18:46 PM

Last updated: 5/27/2026, 8:50:17 PM

Views: 8

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