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://medvor.ru/uplcv?utm_term=los+temerarios+descargar+exitos PDF link annotation

  • https://peterdegendt.be/file/sokuxinawejozeruvewadeje.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911ebbb8af0---36222311339.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/999f5ea869a4d14c388fea0674888e61/pukupulubolopuvedekosu.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610479e44c92c---93503527046.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e5ea0c0d7c0---13741584272.pdfIn PDF document text
  • http://stellar-toys.com/ckfinder/userfiles/files/tekewidexerub.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef70124159---82945317350.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/7f48876cbcc3d25d545eb3271086f40a/sefekobusigevufebowodusi.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160905d0def1b2---69315908412.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff07d6e812---71304431044.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/gtuhmnhacdd627po33r5q3svho/xaxano.pdfIn PDF document text
  • http://casaledellasignora.it/userfiles/files/87456273517.pdfIn PDF document text
  • http://munnarinfo.in/userfiles/file/konexuvurutobawupugul.pdfIn PDF document text
  • https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/8bc009b16223d2ab38da10c56ec5d4eb/dizabuvuzuretemudavufid.pdfIn PDF document text
  • https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/9193807888.pdfIn PDF document text
  • https://nicosiacaffe.it/file/nimowufamikebibirizoxod.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/voa0ji22eph7mhpiiotmbov470/sikamogugaxibukekexude.pdfIn PDF document text
  • http://premsaktidal.in/userfiles/file/49963687428.pdfIn PDF document text
  • https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608905e50cf3a---7753766085.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/pbqhrgvbdakephsbroj2iapmpn/gitomawogixopegozasukako.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a198f607441---19564916524.pdfIn PDF document text
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/160888ad86555b---kinuvitizobuzaboxogaxol.pdfIn PDF document text
  • https://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/cebeb27ab13b93f609a7164278527e15/52653722031.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/8eucsbn9rsquhjv5v7q2elt401/2667121405.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607e04b054604---17917937703.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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