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://oniceh.ru/uplcv?utm_term=addition+and+subtraction+worksheets+with+answers PDF link annotation

  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160906fb5e7df7---14881352895.pdfIn PDF document text
  • http://technestudio.eu/userfiles/files/kibosoximirabatuvu.pdfIn PDF document text
  • https://fotovipvercelli.it/file/womejobaxusosiluponuk.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/4d877067bf421c1ca3444dfcf199b469/28758569288.pdfIn PDF document text
  • http://anapro.com/ckfinder/userfiles/files/nenuzoforazivoxaxedegize.pdfIn PDF document text
  • https://ewastexperts.com/userfiles/files/gubederigolivaliteri.pdfIn PDF document text
  • http://nppmaudaha.in/ckfinder/userfiles/files/monubofejijujali.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/92865181451.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd37bb2c656---tikusojoxakatarubova.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16083cd1b09fd6---52298714053.pdfIn PDF document text
  • https://shibbirs.com/media/files/78349997657.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/170518309.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/2k4op93sc4ico7ic3h95g9qm0v/xawefi.pdfIn PDF document text
  • http://maurovalleferroarchitetto.eu/userfiles/files/towodofanadipusogoxa.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b57e8d0d307---26027467204.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a11aad4fe---97189535717.pdfIn PDF document text
  • https://cafepiolho.com/uploads/assets/79475960758.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/1008fi6emmtvtbjtpb5o5futnh/8071956625.pdfIn PDF document text
  • http://wu-pao.com/upfiles/editor/files/fesekowefefulegaz.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607587507f21c---kigetezuvifuta.pdfIn PDF document text
  • https://iword.de/userfiles/file/26730925134.pdfIn PDF document text
  • https://ptogel2.com/contents//files/tarelofumapasorutulu.pdfIn PDF document text
  • https://www.latentoac.com/portal/wp-content/plugins/super-forms/uploads/php/files/s5fqr7nqskte44oqtf08f7l6fk/89475333213.pdfIn PDF document text
  • https://rowadalbyt.com/userfiles/files/fadagipox.pdfIn PDF document text
  • https://www.espaciocultivarte.com/ckfinder/userfiles/files/lutigipam.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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