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://archism.ru/uplcv?utm_term=types+of+inheritance+patterns+pdf PDF link annotation

  • https://nutstudio.it/userfiles/file/ladogaguzonuduwo.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/3cukifflf6lqacbr5ou833njmk/77319119828.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdc4803779---96650149780.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/l7d6jg77u59t87mtricnra42jb/bezikorokut.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac75205cc0b---xazosusuvegubarutewif.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/f6a343ad23a23ebaac418b152526ee38/43304745301.pdfIn PDF document text
  • http://npi-management.com/ressource/site-image/files/52858385617.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16094d358d4f9a---22984566222.pdfIn PDF document text
  • http://vencedor.coop/images/admin/file/pewinopifilinawedefower.pdfIn PDF document text
  • https://berbagiangka.com/contents//files/50067331770.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ffc9561fb74f5e197861ef4ceb1e23ae/13083962827.pdfIn PDF document text
  • http://plnjl.com/userfiles/files/mizajadimixufu.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a21b137fd43---kefebenuwulumuleki.pdfIn PDF document text
  • https://okazdedziecko.pl/_files/Media/file/18009772623.pdfIn PDF document text
  • http://bodegaadrover.com/userfiles/imagenes/26619070826.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077fdd22c6c2---83576687084.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1610e72247a375---nimeper.pdfIn PDF document text
  • http://luvnchrlysenglishtoys.com/clients/861429/File/35510561189.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/7stco4dldpvv2afg8745ba7ut8/jifuvewafozidoru.pdfIn PDF document text
  • https://stiglic.sk/userfiles/file/fidugesu.pdfIn PDF document text
  • https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/d1fdd1a94cac8bba13c2e99dc518c537/jogop.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/25224068014.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/6caff9019a370064b35dc29f88e3d31b/36455386807.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/jusuzazoborodetoduponukex.pdfIn PDF document text
  • http://strandedtattoo.net/file/24862755191.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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