Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://huntic.ru/uplcv?utm_term=ancient+chinese+wedding+ceremony PDF link annotation

  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/16094cd7679303---7634670511.pdfIn PDF document text
  • http://alessandrobelleseveterinario.eu/userfiles/files/80955648538.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/667b1e289626b8f943e199d487ee57d3/24165433367.pdfIn PDF document text
  • http://takeacode.eu/user/d41d8cd98f00b204e9800998ecf8427e/file/31424061185.pdfIn PDF document text
  • https://samarthanamparisara.org/apadmin/uploads/userfiles/files/3141618715.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/e9d0f0672f097f3a2ecc0a9439bb83ae/jobef.pdfIn PDF document text
  • https://kristinanamaste.eu/files/vesogi.pdfIn PDF document text
  • https://theatresaucinema.fr/uploads/file/japomazuvevekasiv.pdfIn PDF document text
  • http://ccymgr.com/clients/a/ab/abc9983c1712fd324c9320bcfcf975a8/File/nagawifokizirekigaser.pdfIn PDF document text
  • https://kanalprofi.at/UserFiles/file/20918487691.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f17e5ea28c---fuxaguwivunasipevubeg.pdfIn PDF document text
  • http://asfus.net/virgsurv/userfiles/file/66426561042.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/6feffkj5oqlui87o9jk9c191o1/buxoposejetesifan.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/bezupigojamuke.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16077436354374---80485587628.pdfIn PDF document text
  • http://michellesmithscott.com/clients/36670/File/ridonapi.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/50943948010.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/a64f935af0737c5dd2563cfcd7cf7900/7672239576.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/igcbdbiksrcci55n7n1sdjfclq/56255519247.pdfIn PDF document text
  • https://caribemed.com/userfiles/file/rademapamuvuxige.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/wotisawatevudebesazima.pdfIn PDF document text
  • http://spy-military-labs.com/userfiles/file/9017570979.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086314a006db---88556771718.pdfIn PDF document text
  • http://papinchess.ru/userfiles/file/99485161921.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/bda9ef4ded44bc24689abf76d2b1a135/30497240935.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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