Malicious PDF — malware analysis report

Heuristics 6

• 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 https://chambredhotes-savoie.com/ckfinder/userfiles/files/33856173179.pdf In PDF document text

  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/14qruig1664q0qtl3gsi9p18no/wolofalixidurewu.pdfIn PDF document text
  • https://citronel.com/userfiles/files/99867650633.pdfIn PDF document text
  • http://hotstamping.pl/files/file/50149064945.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16088e64789297---tisapadenodoxevamopin.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/45fa7d9aeb30b5af25a6a7586bd46912/lulubusapapigixukupil.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/76619092771.pdfIn PDF document text
  • http://ersenergy.com/UserFiles/file/78062591088.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/3815f5793b24d6fd614ff0452c248284/fiwuduke.pdfIn PDF document text
  • https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833feda4f4b---56758918790.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/bl3pvmigf8mtlq628n9o0oa0mo/gebanutazag.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16099bded4549e---39420645271.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/ninaji.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/afde7c7dce72ba67ca1f719254a9f22a/rivujilidasoba.pdfIn PDF document text
  • https://holycrosshealthcare.com/userfiles/files/gudidilowupomu.pdfIn PDF document text
  • http://kapli74.ru/upload_picture/16328020989.pdfIn PDF document text
  • http://gptools.net/userfiles/file/23068321186.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c53a4c88a---45979430649.pdfIn PDF document text
  • http://villahetzwartepaard.nl/survey/userfiles/files/39010149092.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/5f77fea6cc621bf3371674eb9a1a6c18/lonudixokugeto.pdfIn PDF document text
  • https://proetcontra.hu/userfiles/file/95333095824.pdfIn PDF document text
  • http://www.77ice.com/upload/files/merozepuxejekaro.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/826a39c8105e8e184a5f696630dbf8ae/61362564460.pdfIn PDF document text
  • https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/edd6fc67104b6d2ddd3703b6db849a3c/tamugegomivaxunasiv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=world+map+with+countries+and+capitals+pdfPDF 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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