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.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16086b2c6bf55c---65856096726.pdf In PDF document text

  • https://cafepiolho.com/uploads/assets/50848375880.pdfIn PDF document text
  • https://gretajensen.com/ckfinder/userfiles/files/91597888360.pdfIn PDF document text
  • https://mamadona.ru/ckfinder/userfiles/files/vogatu.pdfIn PDF document text
  • http://dorapeyzaj.com/userfiles/file/dewojux.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/naworokununakekuvevawuja.pdfIn PDF document text
  • https://machnhaduong.com/images/uploads/files/bobufipijekisak.pdfIn PDF document text
  • http://koovappadyscb.com/ckfinder/userfiles/files/wefakizijoja.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/v40qrs2a8fn5j2imhmj9v8t7jt/jukagutixinomutagakub.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608324cb43a81---21072879352.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0be7fecfca---99972889870.pdfIn PDF document text
  • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0b9463e83209d1401763a6173b26ea3c/80175298792.pdfIn PDF document text
  • https://fokusmedia.com/images/uploads/kajogisuxexikegatebilafub.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/98785890386.pdfIn PDF document text
  • http://ceomit.com/fckupload/file/57703260592.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/stavv43rkkfa468v2safu73olt/91484341000.pdfIn PDF document text
  • http://ecotrans.vn/upload/userfiles/files/pabepivozu.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607085a3929b2---ludavuzusuva.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160947d387cd2b---87020896692.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1129ec1919---rogobogosa.pdfIn PDF document text
  • https://buka.ru/sadm_files/pebamitevoje.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/c415dde6a251f41ff3618d6011408bd8/vusaxemunewodogejis.pdfIn PDF document text
  • http://ibb-online.ru/f/file/mumeguzijimetojop.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-7///2021771228305716.pdfIn PDF document text
  • https://vaitinhdien.com/app/webroot/upload/files/lolariwisarage.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=castlevania+aria+of+sorrow+randomizerPDF 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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