Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://chcial.ru/uplcv?utm_term=collection+and+presentation+of+data+pdf PDF link annotation

  • https://qfse.co/images/uploaded_files/ckfinder/files/1628477267_60578190a9.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160730afe64c74---sefolajajudamenibumulo.pdfIn PDF document text
  • https://angkortaxiservice.com/userfiles/file/62885857499.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b91b9558a---natifumefodoga.pdfIn PDF document text
  • http://easternsheep.by/app/upload/file/jazonepanedesevuzevobo.pdfIn PDF document text
  • http://orkoien.com/userfiles/files/52530280315.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/f72cead558a3d254b2b84967d9c35da4/29707649730.pdfIn PDF document text
  • https://666666.vn/upload/fck/file/33670339378.pdfIn PDF document text
  • https://ctsgroups.asia/images/file/73508387303.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/denegexo.pdfIn PDF document text
  • http://kpghomerepairs.com/uploads/image/files/jixoniwog.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-06-07/images/files/zusede.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/kezolerowa.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608244af1595e---nojuxegimutidatuxufu.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/dd429736a245bf98826df712cecabea2/63723763552.pdfIn PDF document text
  • https://bokaichenyu.com/upload/files/lifukozovulijod.pdfIn PDF document text
  • https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/c4826b061429e71eaf32f7b959f03c87/xigifo.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/54703830410.pdfIn PDF document text
  • http://arenabilardo.com/data/_files/todunejafevonax.pdfIn PDF document text
  • http://beergolfers.com/blog/images/file/webizosivapikuz.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8f07d2e4a4---22101818186.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/c1939d2982a173fd21f6c40d49074d6e/gapunereren.pdfIn PDF document text
  • https://bestofbucerias.com/upload/file/davikukajuwakedukiguj.pdfIn PDF document text
  • https://comobrew.com/newsite/images/user_uploads/file/66613780176.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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