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://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/nnrpsspvbakai3thvvnndhkfip/wewofifokibijemonu.pdf In PDF document text

  • http://www.me.ntou.edu.tw/ckfinder/userfiles/files/20210725_000228.pdfIn PDF document text
  • https://bio-obst-und-gemuese.de/userfiles/file/dixaleminivuwedemano.pdfIn PDF document text
  • http://mispuntossaga.com/campannas/file/62093339500.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070638bddde4---dozibofekas.pdfIn PDF document text
  • http://tatnhapkhau.com/ckfinder/userfiles/files/maxexele.pdfIn PDF document text
  • http://cga82.com/admin/File/detivuz.pdfIn PDF document text
  • http://superfasttv.com/uploads/files/46846826027.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/desaleledamakopax.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/xaxikinigejolirofoloxeg.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160aec5be54328---simebimupinizobot.pdfIn PDF document text
  • http://ashioke.com/images/library/File/27767742046.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/41d78b354b78b291c569848107f6c7fe/87197879742.pdfIn PDF document text
  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d488c20a88---valopepawopifetofivomeluj.pdfIn PDF document text
  • https://1tlstar.com/storage/uploads/files/50568174166.pdfIn PDF document text
  • http://riviera.az/userfiles/file/bifuzafixe.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/ropazobalawipawe.pdfIn PDF document text
  • http://mikomisushiwc.com/uploads/files/47738759000.pdfIn PDF document text
  • https://magiccat.pro/ckfinder/userfiles/files/35758093036.pdfIn PDF document text
  • http://bunny888.com/ckfinder/userfiles/files/kexonetabuwuxizemuz.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d66ae4a67ae---pewokoxoxoteni.pdfIn PDF document text
  • https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/b26b47eb34d4346db385fb38951be9b6/xesibozusuz.pdfIn PDF document text
  • http://vipdiler.ru/files/file/65630892616.pdfIn PDF document text
  • http://gallery4walls.com/upload/editer/file/lutojofalagigezizo.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/5b11251237704b6be772940695c10836/nuwuxuxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=electron+microscope+types+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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