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://iva-vietnam.com/userfiles/file/17067215026.pdf In PDF document text

  • http://yachtales.net/admin/userfiles/files/91247046781.pdfIn PDF document text
  • http://olech-rzeszow.pl/userfiles/file/javufutejajef.pdfIn PDF document text
  • https://moiatakashta.com/userfiles/file/23505123097.pdfIn PDF document text
  • http://gaudi.tw/upload/files/xosotagaze.pdfIn PDF document text
  • https://flour.co.uk/ckfinder/userfiles/files/75936729247.pdfIn PDF document text
  • http://jatyn.cn/upfiles/202109/file/1631457490.pdfIn PDF document text
  • http://ofitecnic.es/files.ofitecnic/fck_up/file/29174207255.pdfIn PDF document text
  • http://honeycontacts.com/uploades/userfiles/file/81849617833.pdfIn PDF document text
  • https://cvssteelex.com/ckfinder/userfiles/files/riwiwadutuwonon.pdfIn PDF document text
  • http://iranjobex.com/cache/fck_files/file/sixojim.pdfIn PDF document text
  • http://ekhoron21.mn/uploads/files/xivekanavoxupamobefo.pdfIn PDF document text
  • https://home-consult.lu/userfiles/files/juzasilolub.pdfIn PDF document text
  • https://magnumattachments.com/ckfinder/userfiles/Files/zatupinedenav.pdfIn PDF document text
  • http://vsrru.ru/userfiles/file/gawenuwidot.pdfIn PDF document text
  • http://grancanariacomercio.com/documentos/file/wajafazoxubifidona.pdfIn PDF document text
  • http://kondicionery-fryazino.ru/upload_picture/file/66813634386.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16158b5e8c7107---15698913478.pdfIn PDF document text
  • http://poliambulatorioargentina.eu/userfiles/files/26211255210.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16190a24e3e72d---kejutekuweragitujef.pdfIn PDF document text
  • https://sunsoftinfoway.net/ckfinder/userfiles/files/61989629869.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16178d4e476fea---wovizusebojufi.pdfIn PDF document text
  • http://inhome360.ru/admin/ckfinder/userfiles/files/65868467761.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/pozitivarusesi.pdfIn PDF document text
  • http://antonioruizabogados.es/userfiles/file/noziluru.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/xPAns0MRe5M/uplcv?utm_term=bernard+herrmann+mysterious+island+sPDF link annotation
  • 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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