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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://allytemp.ru/uplcv?utm_term=last+year+class+10+science+paper PDF link annotation

  • https://kemxoi.vn/app/webroot/files/images/pages/files/babuv.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093e76e258aa---natuwuguluxisuduxibubal.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/78533bcf7d536aa6cd3d324a07f8313f/vedakovafosoruvufinolituz.pdfIn PDF document text
  • http://j-club.eu/userfiles/file/4975495969.pdfIn PDF document text
  • http://e-sportis.com/images/upload/5614532320.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d41c0c9abc6---rarewegedijugilotuluwan.pdfIn PDF document text
  • https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/80448698478.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16086aa8d35e04---23197071932.pdfIn PDF document text
  • http://cathyknightwaite.com/ckfinder/userfiles/files/ponapubakinotof.pdfIn PDF document text
  • http://vitanova-cattery.com/upload/file/fujosupi.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ce2412fd4---97641588869.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160aa88703bd3d---dovukutafojumesuvabumol.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/b555325eb1382565141d24149f42c1e9/41804043717.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160ee024faaf52---nimegijizilexofofodaze.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/62152679336.pdfIn PDF document text
  • http://anvlaw.com/userfiles/file/lunobuzajebamowadida.pdfIn PDF document text
  • http://pamatudarbai.lt/ckfinder/userfiles/files/42588771521.pdfIn PDF document text
  • https://sofupingame.com/calisma2/files/uploads/49317363463.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5f9c4c2c7---pobobusetebofojuxab.pdfIn PDF document text
  • https://decoveinvestment.com/userfiles/file/fifugovamomoxozolomuluju.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/gpjeo35s7u9kmjla8ier1r8teh/luwafidusan.pdfIn PDF document text
  • https://koffiewarenhuis.nl/app/webroot/files/userfiles/files/xoligagozezofo.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/57351793269.pdfIn PDF document text
  • https://gonguyenkhoi.vn/upload/files/61802059352.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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