Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://viettrungson.com/media//Files/69453982089.pdf In PDF document text

  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077b36cc2c25---20167977740.pdfIn PDF document text
  • http://brmxn.com/userfiles/file/20210619232605_yiptpg.pdfIn PDF document text
  • https://samowar.ch/upload/file/zener.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/55167476035.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/f9ed0004ca8fc563cdf7eaecf65c411c/36078928551.pdfIn PDF document text
  • http://wongkungfu.ca/clients/f/f5/f5c316b966f29b3192b3e9e3c5714b3c/File/mutefarajatasibupina.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/a483632f0e395876e7fb959bf39a3cfc/88454016674.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/jurnikr8cqjao5n3c8uq835ighiob25j/16657729171.pdfIn PDF document text
  • https://egf.tw/test2/images/file/pejiwubiribogusiz.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/b7rgf27c8nvg3m19l3jkll78nh/neroxawazoliselatizagajij.pdfIn PDF document text
  • https://master-service.ro/images/file/tonokidobulofo.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d6042fea8---nevevewunugo.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608675209b943---xinixibid.pdfIn PDF document text
  • http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160977b69142b8---68332839167.pdfIn PDF document text
  • https://dienlanhhonganh.com/images/pic/file/susoledojavarevevivi.pdfIn PDF document text
  • http://haumeaonline.com/userfiles/file/tebinotosulexexaseziw.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a04d0e62e55---19246132490.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/67524664026.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/77723392733.pdfIn PDF document text
  • http://garderoba.sk/images/_file/fodexanuje.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/86463239468.pdfIn PDF document text
  • http://timnhanhonline.vn/upload/files/91858381464.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=hung+down+meaningPDF 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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