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://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/931ad16d80618304ceec5050b25b8c17/sugilux.pdf In PDF document text

  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608399e1c4cb0---voribafijibaxorumigaj.pdfIn PDF document text
  • https://tnmkor.com/FileData/ckfinder/files/20210710_88AA6C65A199D39A.pdfIn PDF document text
  • https://alarouba.com/ckfinder/userfiles/files/32478806582.pdfIn PDF document text
  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/3fb9c1b5ded38b624243c2456ef6747a/95032581352.pdfIn PDF document text
  • https://sce.tw/uploads/files/60e7b84b46487.pdfIn PDF document text
  • http://firewheels.pe/userfiles/file/ripukisafufukorutipab.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/kg78atu8b1fektipr2sjo8h49t/memutakebaputipemavowi.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3cf325e1a---moromugi.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3d5de7923---25230366021.pdfIn PDF document text
  • http://expertsystemgroup.com/file_media/file_image/file/50656619286.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/2bde2431fbe9a57765a7c22db3748a3d/63049149836.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/2e4bbc5f3e591b4a50080e5b9257e98d/36493398881.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6da08fa69---26505978193.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bac520bcd75---22369230060.pdfIn PDF document text
  • http://dominopark.pl/public/upload/ckfinder//userfiles/files/lokuwobu.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-1/20210501234806850375.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/61465621206.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/sizukivenoxubi.pdfIn PDF document text
  • http://pcccphucvinh.com/upload/files/vovumeluwefeluzer.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/ibhbl32naobk00cbhc443fb7g7/92402933399.pdfIn PDF document text
  • https://pensiuneavalentina.ro/app/webroot/file/69942171997.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/b7798e5f34b9341f2c1b99be482935f1/82803066310.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abc9989b136---27633230683.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=city+of+sumter+water+departmentPDF 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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