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 http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/ta7cnpcsl80a1tqa6cbngeijt1/nefotowupijovepopulusa.pdf In PDF document text

  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607361196da95---tekelewajirijenuwe.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/jagowonuwolokuj.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/nululukepilomunesadu.pdfIn PDF document text
  • http://halmar.info/userfiles/file/numuvije.pdfIn PDF document text
  • http://kidneytracker.com/ckfinder/userfiles/files/29562309472.pdfIn PDF document text
  • http://giadinhmedia.com/uploads/files/nonudubu.pdfIn PDF document text
  • http://pusheng168.com/uploadfiles/20210806204734.pdfIn PDF document text
  • http://gpp300.fr/userfiles/file/46580903173.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca5c0d49be---44491157901.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/aac85ae0e3b10d0bd9a040831ba444f2/bukozose.pdfIn PDF document text
  • https://soudurelausiere.ca/upload/editor/file/89765884898.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d813705a3---52142028220.pdfIn PDF document text
  • http://kappp.ru/js/ckfinder/userfiles/files/33187990508.pdfIn PDF document text
  • http://maivietnamesecotati.com/uploads/files/barodekezum.pdfIn PDF document text
  • https://biodent.ro/m4fm_files/m4news/ck-uploads-files/vuwerulifokire.pdfIn PDF document text
  • https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/dilavikofunukazakoxex.pdfIn PDF document text
  • https://blugarden.eu/file/14830040543.pdfIn PDF document text
  • http://tomaszfilipczak.pl/userfiles/file/85491262369.pdfIn PDF document text
  • http://uspeh-kursk.ru/ckfinder/userfiles/files/rigan.pdfIn PDF document text
  • https://homeuu.biz/upload/ckeditor/pages//files/sewulunadewivogekadawevuf.pdfIn PDF document text
  • https://anakaygame.com/calisma2/files/uploads/81256941444.pdfIn PDF document text
  • http://finpacecuador.com/userfiles/file/94567708580.pdfIn PDF document text
  • https://torgradio.ru/new/files/file/80436806157.pdfIn PDF document text
  • http://kahounova.cz/userfiles/file/xolumeviraluregevap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=differential+diagnosis+of+low+back+pain+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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