MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which are disguised as educational materials, indicating a link farm or SEO poisoning attempt. One of the primary external links, 'https://trafffi.ru/strik?keyword=student+interest+surveys', suggests a lure to a malicious website. The ML classifier also flagged the PDF as malicious. No scripts were extracted, but the PDF structure and numerous external links point to a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.8539
Heuristics 3
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Embedded URL info EMBEDDED_URLOne 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://trafffi.ru/strik?keyword=student+interest+surveys PDF link annotation
- https://cdn-cms.f-static.net/uploads/4465400/normal_5faa458d895bb.pdfIn PDF document text
- https://finijuzado.weebly.com/uploads/1/3/4/4/134444754/d25bd313559ad9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379732/normal_5fa0359bdb775.pdfIn PDF document text
- https://xibogunef.weebly.com/uploads/1/3/1/3/131398295/pulezezop.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390684/normal_5f98ca20a2486.pdfIn PDF document text
- https://s3.amazonaws.com/zidenigad/addition_worksheets_grade_1.pdfIn PDF document text
- https://s3.amazonaws.com/fumiposamisur/health_risk_assessment_navy.pdfIn PDF document text
- https://s3.amazonaws.com/ganubatebedoxez/fifalirivexurix.pdfIn PDF document text
- https://s3.amazonaws.com/lopadivupudexa/feriados_2016_puerto_rico.pdfIn PDF document text
- https://s3.amazonaws.com/vuxalirudidel/41658354900.pdfIn PDF document text
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