Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ketchas.ru/uplcv?utm_term=biomes+worksheet+answers PDF link annotation

  • https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/0c9b6876252fbf2a5c73b9c90f21d638/59595350188.pdfIn PDF document text
  • https://ra7a7p-h3ba7.com/contents/files/26482075264.pdfIn PDF document text
  • https://tsafar.ir/basefile/tsafarir/files/8690618950.pdfIn PDF document text
  • http://waltwhitmanclassof1965.com/clients/c/cc/ccbfa8a87e297cd67510599b8aebcb74/File/39041064202.pdfIn PDF document text
  • https://aashianarealty.com/file/naridazevufupezatarageke.pdfIn PDF document text
  • https://thehero88vip.com/ckfinder/images_store/files/betodov.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/d6f76bd8a8b62071752247bad812b172/70862312415.pdfIn PDF document text
  • http://eaupureinternational.com/userfiles/file/pomeramezenetevan.pdfIn PDF document text
  • https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/65265378442.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff074ebc70---zelakoju.pdfIn PDF document text
  • http://lex-ter.ru/admin/ckfinder/userfiles/files/32641247763.pdfIn PDF document text
  • https://bluetact.com/ckfinder/userfiles/files/timet.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/ids3rfj4o0o5mfnjsrpp8316fp/16436101198.pdfIn PDF document text
  • https://mastirz.com/userfiles/files/97862047207.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607112d03bb08---budamusuwolidirazavewuni.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/d3f23122b1b76fb21287f9004bf8dfdf/sevem.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/d10d5d3d14c2649cdec56bb540031140/82346535507.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/ac1d865da044b8f78fe82f963356244f/xezituwo.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c88da2cef1e---litazifasegejobexakejane.pdfIn PDF document text
  • http://gerd-pollak.de/userfiles/file/94723869760.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/t0fbabtpd78nqu92jlqsmi9j91/38006165132.pdfIn PDF document text
  • http://www.sospapa24.com/lib/ckfinder/imgupload/files/zegav.pdfIn PDF document text
  • http://clubmaniacr.com/campannas/file/84171446620.pdfIn PDF document text
  • http://impex-italia.it/userfiles/files/83284144578.pdfIn PDF document text
  • https://semagro-msw.ru/pics/images/file/26108238792.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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