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://cructi.ru/uplcv?utm_term=extreme+sports+finding+slope+worksheet+answer+key PDF link annotation

  • https://htapigroup3.com/contents/files/58556600151.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/ea762b09d583b0eb4ff5ff0f62e4ae1d/rulojeridadipumafufod.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/95834c08d5efdedc4495424063dbb81a/57001689875.pdfIn PDF document text
  • http://sy-smile.com/upload/files/55317129719.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a510457955c---zaxevopafas.pdfIn PDF document text
  • http://thienanglass.vn/upload/files/mutolavoke.pdfIn PDF document text
  • https://bdaudit.ro/userfiles/file/nizeb.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/uklql43cnis62i671nkh64ar30/kidudefogi.pdfIn PDF document text
  • http://tw-echen.com/uploads/files/202108181808007883.pdfIn PDF document text
  • https://asfus.net/virgsurv/userfiles/file/7323915639.pdfIn PDF document text
  • https://baxsporthorses.com/userfiles/file/fisun.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/ksmu3m30fifpt0a1471t8aq091/14812274121.pdfIn PDF document text
  • http://daugiavanthienphuoc.com/media/ftp/file/1626346721.pdfIn PDF document text
  • https://bleikss.com/userfiles/file/dopesufiwixutone.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/wugelewewaxosusekesi.pdfIn PDF document text
  • http://studiotecnicoforace.eu/userfiles/files/35914124381.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/3145433278.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/39381136702.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/6b7c27e0e47928a9f85b032d9765c28b/81051685675.pdfIn PDF document text
  • http://ngor2-3.com/file_media/file_image/file/65709811217.pdfIn PDF document text
  • https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/52346700564.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b6d7bebc7bb---zotopivunog.pdfIn PDF document text
  • https://rybczewice.pl/userfiles/file/84953848245.pdfIn PDF document text
  • http://dichvuketoansg.com/luutru/files/73556348344.pdfIn PDF document text
  • http://alrehabourhome.com/userfiles/files/vakalomoriwen.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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