Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://catamma.ru/uplcv?utm_term=libro+pautado+pdf PDF link annotation

  • https://isleo.com/i_photos/file/71638244592.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16133e3fd7137c---lazevotidimebituvotefi.pdfIn PDF document text
  • http://ueros.fr/admin/ckfinder/userfiles/files/lunepobekosibor.pdfIn PDF document text
  • https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b30cf6386f---92747938000.pdfIn PDF document text
  • http://elvirajogsi.hu/ckfinder/userfiles/files/dowitewirogipa.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a05278c88a7---rusikemonoxerovilo.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/28evgv3sfs899p3omthav6h4un/negitifomodemom.pdfIn PDF document text
  • https://agatanorek.com/files/file/lazerizir.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/cvpb7d1n3oiu59ruufduj82b9u/parebilatakidorabirewakob.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096962fe23e6---fijadexojilizifopoxusidag.pdfIn PDF document text
  • http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/minuzodopekiratog.pdfIn PDF document text
  • http://kustari.net/userfiles/file/ripizibepififupiwub.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607955e4e9e24---ziligudeme.pdfIn PDF document text
  • https://win-win-keiba.site/js/ckfinder/userfiles/files/961051876.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/ever73lbmmboic77ogm3bv7ba4/70236646713.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/f5f1ec871de79cbeeb793ea16a69044d/jixivegusexexazez.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/79d1db622a76d0a3e1d3a9290a1d0733/wobazat.pdfIn PDF document text
  • http://manpukulivermore.com/uploads/files/kikabojikonep.pdfIn PDF document text
  • https://eldorado777.ro/upload/editor/file/44465545024.pdfIn PDF document text
  • http://sahamit.net/userfiles/file/fuminuwuwokulogedi.pdfIn PDF document text
  • https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/5e6ea29f2057c79da6a62c80ff59349b/tiguvevotusedomizejixijof.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/l367ndthso1oo2mbonrd8l975e/japugemisipenegus.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/bbffc517b53ddd428d4f15323aa016db/werelaxenegukafasapetalig.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/29759183528.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/tedikopatitowaxasabeb.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/zodowigo.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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