Malicious PDF — malware analysis report

Heuristics 5

• 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://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/gvni6pl01esugum5ho8u03kvc1/lutatekawiw.pdf In PDF document text

  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160780af05c8d6---koselamuwoledamiv.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/vopej.pdfIn PDF document text
  • https://ehotelgateway.com/bot/ckfinder/uf/files/32786800834.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/xifumedijesunarulomena.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/05f658a106b506b93500dcbcd49aa1f2/32026504365.pdfIn PDF document text
  • https://tecnicamistasnc.it/file/kiwenujiranuzira.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/zivewurovubugerades.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f06f75a357e---4229899935.pdfIn PDF document text
  • http://staropolski.net/Upload/file/66111244273.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160939e9456c3e---26227314417.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b40f1e584---94819128720.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/49733e0c5a1e4f3db29583830aea8162/ladotinanufawazinomipiwip.pdfIn PDF document text
  • https://chameleoncoupons.com/adgprocessing/uploads/files/41881898248.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/d33f4fd290a8f295499741f1b26efd32/nokorawuropugu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ccf736a90---58712741063.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4b0a52dc8---29751618080.pdfIn PDF document text
  • https://iltuosarto.com/file/gubavefofawefikabo.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/nakalirezalejebodixemu.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d705a55556b---5872465850.pdfIn PDF document text
  • http://tv-kitchen.ru/files/files/62036052263.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/pqhjie7t3sts2l4lotbah3d8uo/13418227322.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a118547a40b---sogufakamogupujedebed.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=bookkeeping+and+accounting+are+synonymousPDF 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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