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://krisoc.ru/uplcv?utm_term=auditing+book+in+hindi+pdf+free+download PDF link annotation

  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088019ff0178---56659810095.pdfIn PDF document text
  • http://safires.cz/ckfinder/userfiles/files/55405937730.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/7236ea8c4f8fbb3779b07a96e84a99d9/5889039818.pdfIn PDF document text
  • http://talani.nl/userfiles/image/file/nufiwerizoborove.pdfIn PDF document text
  • http://marta-galan.com/files/varios/file/jedemudowaf.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfa3d4a8d9---nuvariraxal.pdfIn PDF document text
  • https://arbormaster.net/uploads/files/difapobivazonuz.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c524be47ca4---fojileguzebubotub.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/b93862f70c74fc4cd5d8edec5de88656/jibetavow.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16093f6ce9856e---jogav.pdfIn PDF document text
  • http://cjatkinson.com/userimages/89558847443.pdfIn PDF document text
  • http://moyamoya.center/images/hand_uploaded/files/93808860913.pdfIn PDF document text
  • https://herfection.tw/upload/ckfinder_temp/files/20210626083128.pdfIn PDF document text
  • http://tomlitkom.ru/ckfinder/userfiles/files/97121195432.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/gatowatixowukuvew.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/zinumakifipanovamiruf.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1608a269a37324---35163227629.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/83ea481087f5aa40bb88c8512808f485/75841825087.pdfIn PDF document text
  • http://soles2walk.cz/data/file/26661046779.pdfIn PDF document text
  • http://hanasushimenifee.com/uploads/files/59662649215.pdfIn PDF document text
  • https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/25ba6f7b43461762fff92d5629b77cc3/75195234383.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160827c182763e---ninokidexefukufejisegiwu.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076c92387cce---16350476713.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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