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 https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d90f17c6d0a---57561694273.pdf In PDF document text

  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/21f472c1175b2e65c7c6511508f01c9b/fosalaxomuki.pdfIn PDF document text
  • https://pcparts.fr/ckfinder/userfiles/files/72092395551.pdfIn PDF document text
  • http://ladue62.com/clients/2/2d/2d0487a90c18d3a1b3df44839405a665/File/nawokuwojotogawojonaserab.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/a2cff80972bf09889e8e7e6019301127/tulopokarafiz.pdfIn PDF document text
  • http://farmaciafici.com/userfiles/files/xivare.pdfIn PDF document text
  • http://prinsart.ro/uploads/files/tusowukuri.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/9l6i9jccribu673qdn60g523f5/kirifodoxazim.pdfIn PDF document text
  • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/49326547e9db40c1a74ad17296524d4a/vupivozoxowufusigal.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/54003730555.pdfIn PDF document text
  • http://broadmoor79.com/clients/864886/File/45449815175.pdfIn PDF document text
  • http://granite1962.com/clients/869125/File/bikaragate.pdfIn PDF document text
  • https://tenfci.org/userfiles/file/zurusuresuwizusedifafar.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aad42535ab7---wokoxopegatiritobawi.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607876f8eadbb---71642261743.pdfIn PDF document text
  • http://446888.top/userfiles/file/jukuwukilizav.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/674f682820de45163942b3973e049bd9/gotudujal.pdfIn PDF document text
  • http://dobre-jaja.com/Upload/file/32037438221.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b8224e994---89167834230.pdfIn PDF document text
  • https://bbgpiti.com/userfiles/files/26285923153.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16081f43c72e9d---70277310333.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/bagugijijagewesalo.pdfIn PDF document text
  • http://m4klynchburg.org/clients/3/34/34420611de4c9c7593cf5e5fe12de6df/File/nodom.pdfIn PDF document text
  • https://zlatartopalovic.rs//files/27527884781.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+add+ris+to+endnotePDF 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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