Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Optional Content Group with action trigger low PDF_OPTIONAL_CONTENT
  Optional Content Group (layer) co-occurs with an action trigger — content can be selectively hidden from viewers or scanners while the action still fires on open
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://vtaky.sk/media/file/megurome.pdf In PDF document text

  • https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/73626034156.pdfIn PDF document text
  • http://aranysolyomfeszke.hu/editor_up/zalixilusijali.pdfIn PDF document text
  • http://agriturismolionsfarm.it/userfiles/files/77138484705.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/65cd564c59051b5d7f706fcb4d7093cc/bexisades.pdfIn PDF document text
  • http://toptoptraining.ru/img/upload/file/31823925834.pdfIn PDF document text
  • https://gemma.lucien-sv.info/uploads/files/613da2863f3d8.pdfIn PDF document text
  • http://bangiyaparishadtoronto.ca/bpt/editor/uploadfiles/selibusovitepusaguzokiva.pdfIn PDF document text
  • https://psystat.net/candyticket/uploads/page_images/files/fipukajovaruvefuliwojagav.pdfIn PDF document text
  • https://ukmalayalamnews.com/userfiles/file/12698630512.pdfIn PDF document text
  • https://onsale.social-push.cc/data/fckeditor/files/16532119866.pdfIn PDF document text
  • http://contrast.no/ckfinder/userfiles/files/95544258382.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/95022165792.pdfIn PDF document text
  • http://lscapital.it/images/file/69272816603.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382a4c98328---vojojodananivet.pdfIn PDF document text
  • http://gandolfiarchitetti.com/userfiles/files/7976125509.pdfIn PDF document text
  • https://fullhousetourism.com/UploadFiles/file/20210925201109165.pdfIn PDF document text
  • http://mamolenasnc.it/userfiles/files/zibuv.pdfIn PDF document text
  • http://kunbot.com/upload/files/xuxigini.pdfIn PDF document text
  • http://salkim.com/userfiles/file/1266422441.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/2sqcgujm4qvrns6ncaot6n3pa6/21014565039.pdfIn PDF document text
  • http://pinturasoltra.com/images/slider/files/malafubezexoloforifajit.pdfIn PDF document text
  • http://simoncaulkin.com/images/vovujoz.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/cee714a4cb5c783bcb82b10949c7af98/midajojevawo.pdfIn PDF document text
  • https://mahae.hu/files/files/6531031265.pdfIn PDF document text
  • http://antansconstructions.com/ckfinder/userfiles/files/pagisubinu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=katy+perry+download+mp3PDF 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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