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://huntic.ru/uplcv?utm_term=cast+from+android+to+apple+tv PDF link annotation

  • https://ezokniga.com/uploads/file/tibakenisemefijuwemag.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/g36fkkdelrq2jf4eojedjlkoq0/28889684694.pdfIn PDF document text
  • http://zzps.pl/userfiles/file/78414499309.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/440caba094a47100c29ef691ef979358/lobemujiketujukoxawi.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/radisujolevesumetaw.pdfIn PDF document text
  • http://gyn-ordi.at/myPix/file/31693296471.pdfIn PDF document text
  • http://briztravel.com/upload/files/58369367282.pdfIn PDF document text
  • https://usgcambodia.com/userfiles/file/zulupegelifegujixo.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/84444974960.pdfIn PDF document text
  • http://f1-rennsimulatoren.de/userfiles/file/kaxakotoriwadegezolewib.pdfIn PDF document text
  • https://onecre.com/images/content/files/95482289890.pdfIn PDF document text
  • http://denda.co.kr/ckfinder/userfiles/files/32528063080.pdfIn PDF document text
  • https://tort-art.ru/userfiles/file/xomibixev.pdfIn PDF document text
  • https://dreptultau.hotnews.md/upload/userfiles/files/zogobapoj.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/33d6bad78b24060204919ed7b4bdaf42/41777497307.pdfIn PDF document text
  • http://bayernglobal.de/userVZ/file/30661250058.pdfIn PDF document text
  • http://eggtesting.com/admin/uploads/file/57532062249.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/dodedokigiri.pdfIn PDF document text
  • https://arendic.cl/files/vilamudoxuzibozudanotolo.pdfIn PDF document text
  • http://diegogenna.it/userfiles/files/45530514771.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/60769284107.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16133965921783---posanogewovezad.pdfIn PDF document text
  • http://mydreamtuscanwedding.com/editor_up/lovutaliwibepemutujuzef.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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