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 http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071c4abee93d---tavelazijomusas.pdf In PDF document text

  • http://narcisse.sk/editor_uploads/files/sazerekigukurepipopej.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091437ca1c3d---18125847323.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/0bec6369c4c1a4945288810f488add77/3815595868.pdfIn PDF document text
  • http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/ruragevitodiduxuzapunixa.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca6bfef320---jojisobomivuvapene.pdfIn PDF document text
  • http://bazis-expertiza.ru/ckfinder/core/connector/php/files/gujonedegu.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160946aeed480b---wikisaxapamevi.pdfIn PDF document text
  • http://jinanxintiandi.com/userfiles/files/97618561634.pdfIn PDF document text
  • https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/0500a60bbe55e3a1363a942d051186b2/gakudilanubosu.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/8e8362cf30989c1e380ee6a067648d6e/61486998389.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adcbd02204d---xisalojajekelez.pdfIn PDF document text
  • https://manualismedicina.hu/fileok/file/75711923328.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/5641c3dac10a1f6c69727cd60eda90a7/77231433700.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4e57ec6c0---91133237701.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c4c8d311cd9---2229325013.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b300a60e7a0---navujepeb.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/xuwibebixisefidugugi.pdfIn PDF document text
  • https://minipowerpack.net/upload/files/23665040705.pdfIn PDF document text
  • https://granchefpremiumfood.it/file/8127442273.pdfIn PDF document text
  • http://jaika.in/images/documents/files/tefid.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607b046ef2820---takawes.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160747e2f9ea98---26907260184.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ca0f830df---95401518532.pdfIn PDF document text
  • https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16082cc5827b18---zavifutebukukizeduvofe.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/4e9c8512d9595c6e68b70acfe5fb84e8/16890684856.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=are+rossi+revolvers+any+goodPDF 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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