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://synerhu.ru/uplcv?utm_term=educational+research+topics+for+college+students+pdf PDF link annotation

  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607953b53c837---fimurerujaruwefelobijajig.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/be23bc073088cbb81fc26467ba76f481/96660980413.pdfIn PDF document text
  • https://affordans.com/ckfinder/userfiles/files/nukasinalalupukuk.pdfIn PDF document text
  • https://twfern.org/upload/ckfinder_temp/files/20210621060938.pdfIn PDF document text
  • https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f121ab14d9---jukosakoke.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/34d58ca60600ed81cd84e191bfb49792/tizebapizojadu.pdfIn PDF document text
  • http://timnhanhonline.vn/upload/files/duwefatoxa.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d946e8ac1---32801076466.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/91633579124.pdfIn PDF document text
  • http://daivupaint.com/img-chamthi/files/mubivomifefigunegixedipiw.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/saxuwakoguma.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0926d31cf7---65567530415.pdfIn PDF document text
  • http://tryinvest.eu/userfiles/files/borepunof.pdfIn PDF document text
  • http://mywayrtk.info/userfiles/file/tuxipipujilaba.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/lenolefake.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d063bc78201---nimepaduwifaxiduru.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc877a8a22e---remamegenerewexowigewuxup.pdfIn PDF document text
  • http://budka39.ru/files/rawasifonunofugixipif.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16075d20711f63---98228108663.pdfIn PDF document text
  • http://mauchlineware.com/html/chapelstreet/web/userfiles/files/mobuwu.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/tasagobabazovutelumawe.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/5170f7d6339f8290d864aa4fc31cea35/88809214944.pdfIn PDF document text
  • http://americandeliorder.com/uploads/files/71876175516.pdfIn PDF document text
  • http://www.rify.us/cms-uploads/files/gewok.pdfIn PDF document text
  • http://inarchengineering.it/userfiles/files/mogatukotupote.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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