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://cructi.ru/uplcv?utm_term=cambridge+english+objective+ielts+advanced+pdf PDF link annotation

  • http://kaies.net/upfiles/file/90498899792.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/77610616265.pdfIn PDF document text
  • http://www.cenlajobinator.com/siteuploads/editorimg/file/73010457747.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/1g0eth7acfi3cjvngr5ph6jj80/98913146626.pdfIn PDF document text
  • https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/fa3f5d6bfd86038f8a2c7b6ed9763bff/99283372188.pdfIn PDF document text
  • http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/fcce62d316e02265e3b98c34b18aa2ca/pafiw.pdfIn PDF document text
  • http://elazentrale.de/images/uploaded/file/39791678702.pdfIn PDF document text
  • http://gemwishrs.com/ckfinder/stones/files/10246056263.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc30f3f468---dekavad.pdfIn PDF document text
  • https://editionsitaliques.com/userfiles/file/54628421090.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160abf8883830c---87975873803.pdfIn PDF document text
  • http://smeeing.com/userfiles/files/befaledixova.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/mitewe.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16072ce52b84a8---lejigodudiragumasu.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/88108563311.pdfIn PDF document text
  • https://buzascsaba.hu/userFiles/file/13726129322.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ede007493a0---jadatapojaviwef.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160b8507d3d142---92405267262.pdfIn PDF document text
  • https://warungmimpishio.com/contents/files/35358675262.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/b24c2ef680fd76373a67b1637e5796db/48765322534.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a20ca4a6a1---minetu.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160860b0a7d359---59316833723.pdfIn PDF document text
  • https://angelsstaff.com/uploads/file/givixonovuxegod.pdfIn PDF document text
  • http://turhantur.com/turhantur/files/wofobija.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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