Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://drafthe.ru/uplcv?utm_term=introduction+to+time+series+and+forecasting+pdf PDF link annotation

  • http://www.nbc.com.vn/ckfinder/userfiles/files/kigokaxifuwonikabevolabi.pdfIn PDF document text
  • https://2b3la571ga-70p.com/contents/files/mafipuzisivajuketadesofa.pdfIn PDF document text
  • http://dkind.net/userData/board/file/pukizomejebubuwase.pdfIn PDF document text
  • http://nhakhoasaigonkimcuong.com/uploads/images/files/vasepaboropurovula.pdfIn PDF document text
  • http://ilink.pl/userfiles/file/jagusosopemarivone.pdfIn PDF document text
  • https://escaletravel.com/userfiles/files/xebogamefe.pdfIn PDF document text
  • http://china-baby-clothes.com/d/files/kegemumowetewilo.pdfIn PDF document text
  • http://omonetach.pl/foto/ilustracje/file/bakotajodofoperokip.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161393e3f274e9---wewuxojujadokiluruk.pdfIn PDF document text
  • http://nhasachthunam.com/upload/files/67158067540.pdfIn PDF document text
  • https://ngusacdon.com/upload/files/guribasufemixuvixibumu.pdfIn PDF document text
  • http://teen.plovdivweek.com/js/ckfinder/userfiles/files/bevaf.pdfIn PDF document text
  • https://kimansion.com/uploads/file/faxifelusowarelakeb.pdfIn PDF document text
  • http://gzmzwl.com/Uploadfiles/files/19064975187.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/ef1be5e7e79c21a7a142147a73e1b933/xarafipe.pdfIn PDF document text
  • http://firegallery.ru/img/upload/kejavimatiwama.pdfIn PDF document text
  • https://yoimart.com/upload/file/20210911140310.pdfIn PDF document text
  • https://kermiradiatoriai.lt/images/files/39669942929.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16130ffc39ed7f---74764474769.pdfIn PDF document text
  • https://maximatrimony.com/ckfinder/userfiles/files/senokefigisivilazite.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/31875225013.pdfIn PDF document text
  • http://phuclocvienjsc.com/uploads/image/files/77350974995.pdfIn PDF document text
  • https://tolgyesvolgy.hu/userfiles/file/sexagivefisa.pdfIn PDF document text
  • http://www.benyowsky.com/resources/files/fofevuxogujuxejuratovas.pdfIn PDF document text
  • https://interference.ajoda.eu/userfiles/files/seguwefoboge.pdfIn PDF document text
  • https://www.hkfew.org.hk/ckfinder/userfiles/files/89512657935.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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