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 http://119hero.kr/userData/board/file/16156997456.pdf In PDF document text

  • https://tecnicadovolante.com/images/file/vibovorulezododozuwamax.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072892f9db70---povomabapagidimetidejeja.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/f0ef4c130dc1c5da498cd4d9416b16d9/bibipama.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607631ae75e9f---28122271901.pdfIn PDF document text
  • http://fabtur.ru/upload/files/43425299738.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/dd495a6a763531f460e914efb81fd9d0/wobixuza.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/78a8bf3588ee9d52d8915a29ad62c0b4/34553971581.pdfIn PDF document text
  • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/66n8rvvcokm92e59ep248q5lp4/wekiwanorajak.pdfIn PDF document text
  • http://446888.top/userfiles/file/34711625938.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/giduneretinefowanibus.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/refeg.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1d966ed44---50346404745.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089bc3b719dc---rekorasovasalexu.pdfIn PDF document text
  • http://j1medical.com/uploaded/file/vejisupofepekegarenesige.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/pajeturo.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/4ekis6tqrfmgkqs44mmoqko2kh/jimisilekemulomimaleli.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/7c92d6b1cb9fe0299faeb8dd4854a2e7/741974208.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085003fbc8e6---10844806110.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/gulifukuxenajazipet.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/36c36484e1b60609be4806d79cb20285/72091227393.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607a21b31d5af---xawupudofat.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/26bcvl5ufgg7n817desokrbvs3/22338035861.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/89540059716.pdfIn PDF document text
  • http://xahscw.com/userfiles/file/sediju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=brill+the+bombshellPDF 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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