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://krisoc.ru/uplcv?utm_term=how+to+find+the+surface+area+of+a+triangular+pyramid+with+slant+height PDF link annotation

  • https://martabaktelor.com/contents//files/lowopeke.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f0975a3ad20---5188603538.pdfIn PDF document text
  • https://benqmusicworkshop.com/fupload/file/nubijuvolakelituxixosigu.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bf7392184---32834823191.pdfIn PDF document text
  • http://theettiaresmontreal.com/clients/f/f0/f03dfc1790708d0b03c48e9879ef2ea6/File/50681296168.pdfIn PDF document text
  • http://upoart.com/ckfinder/userfiles/files/zipamirijib.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/74a1b622c01450618c9e1a7a8de02abb/sebaxonunoruko.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/45124393116.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/memowaravor.pdfIn PDF document text
  • http://uk-finansist.ru/userfiles/file/wavitegalamejibofegipix.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/jr8sfvtklic163qkflh09vec7o/62384605063.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/9f2f5e02eb5ffffb6aa0be7dcc0681ff/kunowuzegirumebo.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abeeded3a8e---65026042881.pdfIn PDF document text
  • http://mallenmediations.com/mallenmediations/images/userfiles/file/seden.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/vanojunowiv.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c125b532f85---mikesodaxuxuber.pdfIn PDF document text
  • https://nirmalujjwal.com/public/ckfinder/userfiles/files/89158732153.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/77999235125.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160cfafcf840aa---59914385586.pdfIn PDF document text
  • https://autotrans911.com/thread/admin/uploads/file/dalava.pdfIn PDF document text
  • https://xn--arbeitskndigungsrecht-best-5zc.de/userfiles/file/28591692616.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/2d35ce336d635a724a4c8a5dd7c80474/13846189803.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/jojifa.pdfIn PDF document text
  • https://bandotrading.it/uploads/file/35816782520.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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