MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which point to SEO-optimized content farms and redirectors, a common tactic for phishing and malware distribution. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_UTM_REDIRECTOR_LINK indicate a deliberate effort to create a link farm for malicious purposes. The presence of a malicious ML classification and ClamAV detection further supports its malicious nature, likely serving as a lure for a phishing attack or to download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9578
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://zajinet.ru/award?keyword=equivalencia+neumaticos+moto+pulgadas+a+milimetros PDF link annotation
- https://static.s123-cdn-static.com/uploads/4422890/normal_5fe1d25ac34c7.pdfIn PDF document text
- http://beririka.scienceontheweb.net/dell_v313_printer_driver_mac.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466143/normal_6017dc95ec398.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4447641/normal_5fed6dffbf2b1.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417221/normal_5ff550ef6ac65.pdfIn PDF document text
- https://mixunolonuwoja.weebly.com/uploads/1/3/0/9/130969204/37ef66868.pdfIn PDF document text
- https://pinozawekik.weebly.com/uploads/1/3/4/5/134589254/4055126.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416934/normal_602cd8171a167.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499329/normal_602c9e3c16973.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468828/normal_602227942fe41.pdfIn PDF document text
- https://bosamekuxukis.weebly.com/uploads/1/3/4/6/134672370/3473796.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417526/normal_5fe8483058ffe.pdfIn PDF document text
- https://zovakobazala.weebly.com/uploads/1/3/1/4/131456363/sasijex.pdfIn PDF document text
- https://s3.amazonaws.com/fovezewi/adding_fractions_with_different_denominators_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/firigugixujotov/bebe_cool_ft_b2c.pdfIn PDF document text
- https://s3.amazonaws.com/nisiwanolom/c_form_meaning_in_gujarati.pdfIn PDF document text
- https://s3.amazonaws.com/povodijirig/fefazezago.pdfIn PDF document text
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