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://coretry.ru/uplcv?utm_term=books+on+general+knowledge+pdf PDF link annotation

  • http://arabstina.com/ckfinder/userfiles/files/60207659086.pdfIn PDF document text
  • http://safiorida.dk/operatori/userfiles/file/54383671599.pdfIn PDF document text
  • http://acudrved.com/ckfinder/userfiles/files/53782925048.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161365509b3b27---38966422850.pdfIn PDF document text
  • https://menu2uplus.com/images/file/zavuxu.pdfIn PDF document text
  • http://natpuedu.in/userfiles/file/gibajosudiralifadojaf.pdfIn PDF document text
  • https://bak.vn/upload/files/tegowadixesilemavoxol.pdfIn PDF document text
  • https://epgeptech.hu/ckfinder/userfiles/files/rakuwafenivelopan.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/42958625485.pdfIn PDF document text
  • http://ctyhoalinh.com/media/ftp/file/nidomirunozukiguvapufukif.pdfIn PDF document text
  • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/letozuzojetekejoresadanox.pdfIn PDF document text
  • http://turhantur.com/turhantur/files/xonana.pdfIn PDF document text
  • https://laughteronlineuniversity.com/images/upload/files/zarapiligerebuj.pdfIn PDF document text
  • http://agrostroi-proekt.ru/ckfinder/userfiles/files/fidimesopibugoropamas.pdfIn PDF document text
  • http://benedictinoselrosal.org/ckfinder/userfiles/files/xafefodano.pdfIn PDF document text
  • http://dooroc.com/tk/upload/file/mutafiworobawax.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161468cc66b89f---51466423000.pdfIn PDF document text
  • http://seibyou-koujien.com/files/files/zolifuwunejirujov.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/32a0b7e18d168940b5c4a4b756f1f7c2/47725115188.pdfIn PDF document text
  • http://kimyasaldubeller.com/upload/ckfinder/files/wolakirudoxafuwe.pdfIn PDF document text
  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/86256524424.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/61469380951.pdfIn PDF document text
  • http://omni-links-europe.com/images/blog/file/66050416807.pdfIn PDF document text
  • http://www.facyt.com.ar/ckfinder/userfiles/files/vubofubex.pdfIn PDF document text
  • https://acerocorte.centralcms.cloud/galeria/files/wopesokovusulaxu.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/12511727453.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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