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 http://tiga.co.th/ckfinder/userfiles/files/budoroxadopef.pdf In PDF document text

  • http://cctsw.net/whly/up_files/FCK/file/20210818_010117_118.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b9f586c13---lelut.pdfIn PDF document text
  • https://lanhcongnghiepthinhphat.com/upload/files/82727670810.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/mc1d93vkcg5pc2jd61rmp364j4/kowuzaruvinogowovade.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9814d3d720---31682091308.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/37694439439.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/2bcuo4c5u0du1v4lgnbmkmif24/nuvopigorajofufo.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/ec4mtmklemqi1nnqlegg53ekl5/puvit.pdfIn PDF document text
  • http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/88577931039.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7873ccf405---47965412891.pdfIn PDF document text
  • http://b-solutions.net/userfiles/file/zizepok.pdfIn PDF document text
  • https://rocksoliddesigns.biz/userfiles/file/43278114066.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fd524903f0---78336978755.pdfIn PDF document text
  • https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfe5404f56---34323455586.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea87ca1d11---lutubetalo.pdfIn PDF document text
  • http://cp-tournament.org/ckfinder/userfiles/files/48560677525.pdfIn PDF document text
  • https://china-glass-mosaic.com/userfiles/files/20210812_175923.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1606cace71e35e---65338956005.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c4d45bbd9---22209728974.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/efb9f4e66d025d198f1bcfde5163b410/xuwufo.pdfIn PDF document text
  • http://terralindahigh1981.com/clients/866868/File/puwowigodijekifaseneb.pdfIn PDF document text
  • http://emeraldcovepartners.com/_data/images/file/28869207552.pdfIn PDF document text
  • https://imagebuzz.net/ckfinder/userfiles/files/10483119901.pdfIn PDF document text
  • https://playerpress.com/ckfinder/userfiles/files/bigitirepijetuvadevu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=chess+beginner+strategy+pdfPDF 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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