PDF malware analysis — malicious · 28607835f26f8dc3

MALICIOUS

PDF

50.6 KB Created: 2021-01-08 15:58:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: 208c08f03ed1847a6b8ababa1196c543 SHA-1: be0ca44b96209a0007fcd86732f7cdc563a36937 SHA-256: 28607835f26f8dc3a4f7efc91209f2b56f28cc2614587bf32539bc3a4af01ef7

242 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, many pointing to disposable hosting services, indicating a link farm designed to redirect users. One critical heuristic identified a link to known malicious redirector infrastructure, and ClamAV detected the file as a phishing trojan. The embedded URLs suggest a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.6878

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://ggtraff.ru/aws?utm_term=everfi+answers+module+4+payment+types In PDF document text
- https://lasezafokovopar.weebly.com/uploads/1/3/5/2/135294620/ladilegal.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371010/normal_5f8b56f4bc5f6.pdfIn PDF document text
- https://visopitolunew.weebly.com/uploads/1/3/1/4/131483219/vamoxekugerison-vanimonem-bavewajot-fobisot.pdfIn PDF document text
- https://viwutexotopuj.weebly.com/uploads/1/3/4/5/134522905/1223717.pdfIn PDF document text
- https://mezinetoxapim.weebly.com/uploads/1/3/4/8/134887379/9252390.pdfIn PDF document text
- https://katubebadidi.weebly.com/uploads/1/3/4/4/134474785/patelew.pdfIn PDF document text
- https://niparazuxadema.weebly.com/uploads/1/3/4/0/134040736/1cf6417.pdfIn PDF document text
- https://zukutalemuz.weebly.com/uploads/1/3/4/5/134582669/6968326.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421937/normal_5ff02d5e24322.pdfIn PDF document text
- https://mekuxiwefajup.weebly.com/uploads/1/3/0/7/130739023/2077263.pdfIn PDF document text
- https://s3.amazonaws.com/nelizenejakarug/937148405.pdfIn PDF document text
- https://s3.amazonaws.com/loneminovu/customer_relationship_management_system_project_report.pdfIn PDF document text
- https://s3.amazonaws.com/wexoteluwag/fokufinalikunowuwerevin.pdfIn PDF document text

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