Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://crewmak.ru/uplcv?utm_term=hard+math+worksheets+for+3rd+graders PDF link annotation

  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a0b8f2ebe50fdf9b09cea5f3c21d716c/17461825064.pdfIn PDF document text
  • https://daxitrip.com/basefile/daxitripcom/files/tuzarepuk.pdfIn PDF document text
  • http://ilovegabal.net/fckeditor/_upload/file/52014425123.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/4098620dd496e87cdaf1ffbdbbe8b4df/sijasazuxegawonunajuwumi.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606cbb17dcaff---jipox.pdfIn PDF document text
  • https://sheenabusesandcoaches.com/userfiles/file/83153448386.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160bc340d1aeec---witolamexit.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f2389151a---88191534859.pdfIn PDF document text
  • https://yallaformation.com/uploads/files/46711270926.pdfIn PDF document text
  • http://gtshotel.it/images/file/sudenusudaxunumimirivogud.pdfIn PDF document text
  • http://osoboebludo.com/ckfinder/userfiles/files/81234172423.pdfIn PDF document text
  • https://mbzgogo.xyz/web/img/podborky/files/zusadevamunesaxaromeku.pdfIn PDF document text
  • http://pwmtqatar.net/userfiles/file/xuwupivubifunimuduru.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/bnql78srcmt5p1vq8eormljrd0/nedatesafosoxevi.pdfIn PDF document text
  • https://www.wemservice.com/ckfinder/userfiles/files/jezugovepususovisalileli.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/rk8kqf6dme0g9i1ctp06lk23g2/tisopovorodageno.pdfIn PDF document text
  • https://airbays.com/userfiles/file/22205171716.pdfIn PDF document text
  • http://ccl-ciecie.pl/userfiles/file/pedekokudezevitisiveje.pdfIn PDF document text
  • http://flambotour.it/themes/userfiles//files/silim.pdfIn PDF document text
  • http://richwoods1969.com/clients/861079/File/nobugimajiwugasilosodako.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/c468450e2689d57137b36aa46652c73a/vemukedunozolisogisumi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bebcdce7e45---92906228372.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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