Malicious PDF — malware analysis report

Heuristics 7

• 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 link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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 JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://catamma.ru/uplcv?utm_term=fisiopatologia+da+pancreatite+aguda+e+cronica+pdf PDF link annotation

  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721871c7a37---51690700215.pdfIn PDF document text
  • http://mutitar.com/user_img/files/gizunurutijivax.pdfIn PDF document text
  • https://cgeminfos.ma/upload/file/81137910578.pdfIn PDF document text
  • https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3e1aa8664---73760164061.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/1ftecuvmch04d993t3flpn3vt3/juxapononiguwamuwotuv.pdfIn PDF document text
  • http://charivne.info/images/file/31635495451.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd406de919f---wabowimefisufitisaged.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/91790642043.pdfIn PDF document text
  • http://dieukhactransam.com/uploads/files/wosexelusemeduse.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/13329112087.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e86c9b0f835---46689895413.pdfIn PDF document text
  • http://sumosushingrill.com/uploads/files/bipunevolovufeguwiziwow.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/kifejatanivevufizivokamaw.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/609db9d159030191d5cd2cc8033b8f80/temisunofonetojojajalufa.pdfIn PDF document text
  • https://cailux.lu/userfiles/files/25365944045.pdfIn PDF document text
  • http://qazaqbanki.kz/data/content/files/zobesoza.pdfIn PDF document text
  • http://urs-certification.com/gais/image/file/80798275599.pdfIn PDF document text
  • https://arabacioyunlar.com/calisma2/files/uploads/xasanizizedoja.pdfIn PDF document text
  • https://gamepinleri.com/calisma2/files/uploads/85995728309.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/9636fea94c311134c93ed7a395ceb95c/fesovutad.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/hflpvm1bc7opjhgntrdgejredu/31859743180.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/483d2378473584fdfecc38ef535b1388/66841730606.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/6c85e8146cb37b9b1f6e10a6e481a380/nupafarunex.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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