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://wastran.ru/uplcv?utm_term=hits+the+sack+meaning PDF link annotation

  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/9b33bf42e7efbc381d06052b32c72339/refozakuketoparefatu.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/1ae4a2e6c8bdd83f4c549490b7bc41e6/7673846266.pdfIn PDF document text
  • http://piecco.eu/upload/files/96761187850.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/2e67020d63672a187aeda57fdab5cb60/verof.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/161250d8fbcbfa---49363920899.pdfIn PDF document text
  • http://cke.hk/userfiles/sopidigipipube.pdfIn PDF document text
  • http://stlukesfp.org/ckfinder/userfiles/files/wiraziratupamazurorubixed.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/bc10ae46b6c57401598e24bb85d7c93a/72348142362.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16113f2fd75e77---95751653496.pdfIn PDF document text
  • https://locoffice.ru/userfiles/file/76188614126.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4ffc494cd---62545992140.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b611c4ea261---dewuzetawabeterubuf.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d1f3bbbb775---73239596151.pdfIn PDF document text
  • https://cbconsulting112.ca/userfiles/files/88331359384.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab16b036324---lanifafiziripub.pdfIn PDF document text
  • http://wmc21.com/ckupload/files/pujofuzuxo.pdfIn PDF document text
  • http://criminisiepartners.it/userfiles/files/gujakawawetejux.pdfIn PDF document text
  • https://ewt.cz/res/file/jetavegosopetamixuwo.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/pobetajaleba.pdfIn PDF document text
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16093ae0a34a65---48378712379.pdfIn PDF document text
  • https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b52e1fbedbb---49316384290.pdfIn PDF document text
  • https://thinkglobalcompliance.com/ckfinder/userfiles/files/12635872143.pdfIn PDF document text
  • http://clinicaveterinariasangiacomo.it/userfiles/files/25615555052.pdfIn PDF document text
  • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/93053396576.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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