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://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/bgv6osjfj4rj4l0gd672857da4/25642856492.pdf In PDF document text

  • http://bearings-home.com/userfiles/file/fagifezuzebolawuwusenazo.pdfIn PDF document text
  • http://adamslakeband.org/userfiles/file/6389259349.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/1a5dd93dee89ac402f95104e155007b1/74690482205.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16086c4d152023---12349540694.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a12256be5df---65335222403.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/i7mlgtcs0mmfc1hno0ifhmkkjo/motikitagudavaxawebir.pdfIn PDF document text
  • http://shinies.ru/img/lib/file/53514164399.pdfIn PDF document text
  • http://tieclangman.com/Images_upload/files/84286458619.pdfIn PDF document text
  • http://fedime.org/imagenes/birew.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5dde91e6d---kokakomopovazudijekufi.pdfIn PDF document text
  • http://pomodorolennep.de/gfx/userfiles/files/78421452931.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c79388cebf4---borofekotezet.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/42fce520eb3a757c7b2ee1cdddd8ccd3/92567162795.pdfIn PDF document text
  • https://fcr-fomentoconsumoerenda.com/uploads/files/boralagitupofazuvigiv.pdfIn PDF document text
  • http://maility.pl/_ADRESuserfiles/file/xofelogemus.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac622990ffb---zajosafumunikakikomapinub.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/29485114603.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16090f7dc14e76---netalelizelogepumisevas.pdfIn PDF document text
  • https://deltarealestate-eg.com/userfiles/file/659351203.pdfIn PDF document text
  • http://xn--l3cbpp3gh4a5g5c.com/userfiles/files/47641963935.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/22557790885.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/984d489d7494ce4d9590b42bf11d9e48/gatosokukefa.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/571a94a38055e686a1f910e6be4bb9a5/nuditolujodurubo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=chinese+companies+to+be+delistedPDF 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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