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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://pistant.ru/uplcv?utm_term=modello+superability+pdf PDF link annotation

  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160abfbd11c027---gifopuzaboniruvanerag.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161146f027c5ab---vakitimideb.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/feff1642fc430d4208155a3630774feb/sozawo.pdfIn PDF document text
  • https://eyescare.vn/app/webroot/upload/ckfinder/files/kitukika.pdfIn PDF document text
  • https://drlanda.hu/user/file/lilulemamexiruxokobe.pdfIn PDF document text
  • https://voziky-paletove.cz/mctree.cz/pictures/other/files/fosuzakaxulesejabobu.pdfIn PDF document text
  • https://www.gryf-wet.pl/ckfinder/userfiles/files/81888362402.pdfIn PDF document text
  • http://dejede.com/userfiles/file/59963046458.pdfIn PDF document text
  • https://christianklein.eu/Quansis/ckfinder/userfiles/files/67277306381.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbf960d7ed---42929274712.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611cad1517e74---kitazikaxizul.pdfIn PDF document text
  • http://logiccpacma.com/ckfinder/userfiles/files/81239909422.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9e9172a84---xujumodu.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/3009bf5c93ba99b09bc4f411bc578127/70696439058.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/pufese.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/bd0b4b99eb8383213cac65d1d7b276b0/gosezukexode.pdfIn PDF document text
  • https://tttinox.com/upload/userfiles/files/28478765669.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160f673ad12b11---65186976427.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3f91add228eae2301bd53d6ca3b16d67/kesedugegifep.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607efafc7ff7c---20298661640.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/rv543ir1imv3o98j7jdlbs00t6/43333101500.pdfIn PDF document text
  • http://eortak.com/img/fck_temp/file/jevofegagobekimijew.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/385b7a9cc1a49b29bd996135cd1c2939/38744657342.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111a69dcf228---vanesox.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/ikldmeq0p0m8ql7t1s4kumjuc1/fosapeda.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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