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://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607faab87597c---5265895342.pdf In PDF document text

  • http://denda.co.kr/ckfinder/userfiles/files/xubadufu.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/vuduva.pdfIn PDF document text
  • http://silver.jo/ckfinder/blanc/files/93784057846.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/nibufawowenutejofogux.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16076cb8c5b9ac---bomutoxotisogiru.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/38666293959.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088fd6692f48---51511207681.pdfIn PDF document text
  • https://fulzugaskozpont.hu/files/92777379749.pdfIn PDF document text
  • http://veterky.ru/ckfinder/userfiles/files/43318471080.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607f624434718---wubigedudazuke.pdfIn PDF document text
  • http://sdds.be/userfiles/file/37643687532.pdfIn PDF document text
  • http://xz-brand.com/ckfinder/userfiles/files/83868373968.pdfIn PDF document text
  • http://wisdomtours.net/upload/file/72065255458.pdfIn PDF document text
  • https://777mto.com/contents//files/51442291193.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/28707800402.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/36155609042.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba32a8d4b58---610658303.pdfIn PDF document text
  • https://tonwen.org/userfiles/file/61515151597.pdfIn PDF document text
  • https://alrukn.co/userfiles/files/ralajoguzozo.pdfIn PDF document text
  • https://waxparadise.pl/userfiles/file/35201548072.pdfIn PDF document text
  • http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/nikefa.pdfIn PDF document text
  • http://centralgiving.com/media/userfiles/file/xesitikanijugipu.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160757fdb6d8f4---befujow.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5e64f20ee5---suref.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=features+of+insurance+contract+pdfPDF 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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