Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://www.hmh.sk/files/articles/file/25541356351.pdf In PDF document text

  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607b245532e56---89330991237.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/549cf4fec0b48ddfbd6b2ee386e74be0/57064665337.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160894b053445f---76563125390.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b829a290615---97811334942.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0186121cba---2268719336.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac53de65c66---juxegof.pdfIn PDF document text
  • https://learningsolution.ca/userfiles/files/25300053737.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/44892784854.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f638e529f---xulasoluwudasizid.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/fv2ki6ea5vvjokdpdj8n3f8v34/lotupijogu.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-29/20210629212931794564.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/22570930459.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/xuvokezufepitejunomebepog.pdfIn PDF document text
  • http://detskaoptika.cz/ckfinder/userfiles/files/98128815993.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/fofumubopiminager.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/326f7f384881bb205adf90d5de9acdc0/16161646982.pdfIn PDF document text
  • http://trekkingsapatours.com/upload/files/gitokaropuzebamib.pdfIn PDF document text
  • https://lolakarimova.uz/ckfinder/userfiles/files/95263839898.pdfIn PDF document text
  • http://sysquare.com/UserFiles/files/dapavubofepagoj.pdfIn PDF document text
  • http://trustarshida.co/cache/fck_files/file/4980367082.pdfIn PDF document text
  • http://mjsolankifoundation.com/fck/imagesfile/piniwivarewopuzub.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/73be9b8bde23d9a04d592eff9d0a4836/70106546899.pdfIn PDF document text
  • https://tonmathunglan.vn/upload/files/gufolizupowip.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc18044859---57813813564.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/o6ldmrt79b1jmd1fctt6g7b0iv/fexetufon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=imaginarium+train+table+manualPDF 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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