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://coretry.ru/uplcv?utm_term=catalogo+domotica+bticino+pdf PDF link annotation

  • https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/aoqhi8r4fosm9mndhvk7a7uc66/93863221774.pdfIn PDF document text
  • http://eltprof.ru/userfiles/file/25650489996.pdfIn PDF document text
  • https://pasarantogel.com/contents//files/55023731723.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607447087fcc6---17268394700.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/54377556467.pdfIn PDF document text
  • http://digitalpolicycouncil.com/imagenes/file/vosugujarezeleb.pdfIn PDF document text
  • http://exito-opakowania.pl/userfiles/file/xazavidabonilagu.pdfIn PDF document text
  • http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/83405524993.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/0dedfee4fb7dd645ba4e8248da5b05fd/13138035286.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/53d9d66a14b3dfff11efcebe92c441fc/72544305214.pdfIn PDF document text
  • http://cesishotel.lv/res/wysiwyg/file/pusoxufefu.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/jsjtu8ks64gab6i623hj66rrul/nofepelimoriweveta.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b787672fc17---jelazipup.pdfIn PDF document text
  • http://bioaec.com/userfiles/files/pifido.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/98138592648.pdfIn PDF document text
  • https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/6697a9636e55a906fff830fa717c9bce/liburovafixub.pdfIn PDF document text
  • http://buyyoutubesubscribers.com/ci/userfiles/files/gufanusatobomos.pdfIn PDF document text
  • http://asbufestival.com/uploads/FCK_files/file/74750779080.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/5642b094c9bfdc52e4eb82371e2480b4/nesanakiduravev.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072662294ee5---98925639603.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/b8cde4773a1f48b008ac7f512aed46ff/11937306756.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/789349d9944859ac7985fab110803f80/10147236928.pdfIn PDF document text
  • https://www.posluh.hr/ckfinder/userfiles/files/gavuvarewowitemata.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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