Is delta-serwis.pl safe?

No. MalwareAnalyzer scanned delta-serwis.pl on 21 Aug 2026 and returned a suspicious verdict with a score of 54 out of 100. Treat it as hostile until it is re-checked.

What malware is associated with delta-serwis.pl?

2 analysed samples communicate with this URL, including Phishing.

How was delta-serwis.pl checked?

A static pass resolved DNS, captured TLS and headers and followed the redirect chain, and where the fast tier allows, a headless browser rendered the page and recorded every request. Egress is SSRF-locked. Signatures that matched only page text are weighted far below one that matched a served file, because a page documenting malware matches the same rules.

delta-serwis.pl - suspicious URL scan, 21 Aug 2026

MalwareAnalyzer by Cyble scanned delta-serwis.pl and returned a suspicious verdict (score 54). The page resolved to 193.239.44.108 on Domena.pl sp. z o.o. in PL. The domain was registered 5807 days ago through Domena.pl sp. z o.o.. 1 domain and 1 IP were contacted. 2 malware samples communicate with this URL (Phishing). The request followed 1 redirect before landing. This is a point-in-time observation from 21 Aug 2026; the page may have changed since.

Scan result

Verdict: suspicious (score 54) · Confidence 60%
Scanned URL: http://delta-serwis.pl/pliki/kunav.pdf
Domain: delta-serwis.pl · IP: 193.239.44.108 · AS60713 · PL
Server: DomenaWebServer
HTTP status: 200 · application/pdf
Registrar: Domena.pl sp. z o.o. · domain age 5807 days · created 2010-09-27
Registrant country: PL
Evidenced operator: Delta Serwis Piotr Mieszkuć-Mieszkowski
Scan tier: fast · observed 2026-08-21 14:56:06 UTC

Redirect chain

http://delta-serwis.pl/pliki/kunav.pdf
https://delta-serwis.pl/pliki/kunav.pdf

Malware communicating with this URL (2)

These samples were observed contacting or being served from delta-serwis.pl. Each links to its full analysis.

Phishing - referenced · 56d0629e9fbd0730001b7850ec8ea686 · first seen 2026-08-16
Phishing - referenced · ec682bf44c831bdf38b3c5a575fb0f8f · first seen 2026-08-16

Antivirus & YARA (1 of 47 engines)

ClamAV (daily) [av]: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 (served file)

Why this verdict

Antivirus/YARA detection in page content: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
File download routed to the malware sandbox (kunav.pdf)

Contacted infrastructure

193.239.44.108 - AS60713 Domena.pl sp. z o.o. (Poland)

Files served by this page

kunav.pdf · 4ed790bebec8da117f2ca454cb9cfca4

Observed indicators

delta-serwis.pl
193.239.44.108
https://delta-serwis.pl/pliki/kunav.pdf

Other scans of delta-serwis.pl (1)

This host has been scanned before. Each scan is a separate observation, so a verdict here does not carry over to the others.

21 Aug 2026 - suspicious

Questions about delta-serwis.pl

Is delta-serwis.pl safe?: No. MalwareAnalyzer scanned delta-serwis.pl on 21 Aug 2026 and returned a suspicious verdict with a score of 54 out of 100. Treat it as hostile until it is re-checked.
What malware is associated with delta-serwis.pl?: 2 analysed samples communicate with this URL, including Phishing.
How was delta-serwis.pl checked?: A static pass resolved DNS, captured TLS and headers and followed the redirect chain, and where the fast tier allows, a headless browser rendered the page and recorded every request. Egress is SSRF-locked. Signatures that matched only page text are weighted far below one that matched a served file, because a page documenting malware matches the same rules.

Scanned at the fast tier - see how URL scanning works.

Scan another URL · Latest analyzed threats · All scans of delta-serwis.pl

Scanned on MalwareAnalyzer by Cyble · Open interactive scan