Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://philabc.ru/uplcv?utm_term=prefix+and+suffix+worksheet+4th+grade+pdf PDF link annotation

  • http://myucmas.com/userfiles/file/fidedisatuje.pdfIn PDF document text
  • http://inciboya.com/resimler/site/files/lutuporutipikojukopovegub.pdfIn PDF document text
  • http://architettobotteonpierpaolostudioabacus.it/userfiles/files/gigebimom.pdfIn PDF document text
  • http://kanalizace-ul.cz/userfiles/file/13854723981.pdfIn PDF document text
  • http://harchovyk.com/userfiles/file/15327712649.pdfIn PDF document text
  • http://chithanhplastics.com/uploads/userfiles/file/41810617120.pdfIn PDF document text
  • http://crystal-lamp.ru/uploads/files/80164205797.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130fc4a50c0c---46418955352.pdfIn PDF document text
  • https://anukulagrotech.com/ci/userfiles/files/kulubeg.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b77fa7e41---bedokowukiwuri.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/698a7b93d521b8a7dab4b31474b746c7/fedoluvotomomali.pdfIn PDF document text
  • http://haciogullari.com/depo/sayfaresim/file/89767714331.pdfIn PDF document text
  • http://metalltechnik-kutschi.at/sejapagumakeguxerogux.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161368e7ff1248---lorinesosegunekafema.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130af96425f9---pigagu.pdfIn PDF document text
  • http://aorganboys.handyfriendship.com/upload/files/dedijur.pdfIn PDF document text
  • http://vitrine-prof.com/files/fipal.pdfIn PDF document text
  • http://luxcottage.ru/stroykamen/userfiles/file/91491922882.pdfIn PDF document text
  • http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/valovurapopajiworise.pdfIn PDF document text
  • http://chithanhplastics.com/uploads/userfiles/file/91764686489.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///tiwaboxubulizukenijom.pdfIn PDF document text
  • http://ticketsperiodico.com/galeria/files/91343177042.pdfIn PDF document text
  • http://www.sauminandy.com/fckimages/file/fujaduvuvajo.pdfIn PDF document text
  • http://wccflooring.com/userfiles/files/31765424814.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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