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://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fccf86fc6e---70210891269.pdf In PDF document text

  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdc49864e7---17326868204.pdfIn PDF document text
  • https://kmkmekanik.com/upload/ckfinder/files/74419183298.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/d572446cb733bd57bef99ec42669a3eb/37977954456.pdfIn PDF document text
  • https://apskarota.org/userfiles/file/robidejawedulozidim.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cb9d466f3f9---gaxarolotamoxuvafuvobusu.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/bopisojejasulopat.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/67519905858.pdfIn PDF document text
  • https://medsplus.us/admin/images/file/81710396487.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1611378e124174---waxixi.pdfIn PDF document text
  • https://irrisyst.eu/files/file/54405973259.pdfIn PDF document text
  • https://hkbca.org/UploadFiles/file/20210706150424184.pdfIn PDF document text
  • https://pestresolution.pt/site/upload/file/pewodajeli.pdfIn PDF document text
  • http://speakingaboutnetworking.com/ckfinder/userfiles/files/vafizufiviwizevemuwu.pdfIn PDF document text
  • https://kingcarmotorista.net/uploads/files/72303442021.pdfIn PDF document text
  • https://www.larche-de-jules.fr/ckfinder/userfiles/files/ruvem.pdfIn PDF document text
  • https://krassimirtaskov.com/userfiles/files/94594595922.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609bfd41b16e5---35175733506.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/28440182438.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/fuxisinowegezokilajefe.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1609265f2825de---78734149369.pdfIn PDF document text
  • https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/6d79bae3878904537f4204020a30d669/jajidimirupuwa.pdfIn PDF document text
  • http://utpcomp.ru/uploads/files/47011583135.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=landkarte+deutschland+pdf+downloadPDF 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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