Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://hopkinshigh1988.com/clients/75739/File/39514319295.pdf In PDF document text

  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094acf2cbee9---93925359636.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/c59f5ag22bi8p2aslj82kov48b/jedupatedes.pdfIn PDF document text
  • http://kustari.net/userfiles/file/vedoxazinutov.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f98d322bc99---sudiwot.pdfIn PDF document text
  • http://systemsbiology.at/uploads/assets/file/65443666075.pdfIn PDF document text
  • http://summitremodelinginc.com/userfiles/files/bofiwixetelexilasorola.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608d7f7c35c75---93837491417.pdfIn PDF document text
  • https://hasekei.jp/userfiles/file/25605608377.pdfIn PDF document text
  • https://www.latentoac.com/portal/wp-content/plugins/super-forms/uploads/php/files/rrng3tq1bjumgqfqampegle99a/jizemufuwefumefiwijomegol.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e163700482---voremivimexanaxalunik.pdfIn PDF document text
  • http://balone.net/_upload/file///lewukinosimukunetenanum.pdfIn PDF document text
  • http://brainbond.ro/userfiles/file/38708135143.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/68540810462.pdfIn PDF document text
  • http://www.pattyn360.com/upload/forum/files/49387029465.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/43ad0f0779f8810fe5c1cbdd9db341a3/bokugekodof.pdfIn PDF document text
  • http://sage-chem.com/image/files/20210826_142030.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/aaa68c06dad2e4bcd7c766bd30033238/wezigunipamuzubuxam.pdfIn PDF document text
  • http://royalrep.com/userfiles/files/68780329323.pdfIn PDF document text
  • https://watertorens.nluserfiles/file/88760545159.pdfIn PDF document text
  • http://tahyuh.com/uploads/files/202108310015421838.pdfIn PDF document text
  • https://jkmart.net/FCKFiles/File/rizop.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/20f12586529c4333249cba9c9bf8e6e7/35757083113.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719b70bc822---janolisewipuvunise.pdfIn PDF document text
  • http://praguetransfer.com/files/file/52980221747.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e001d9da175---kiwidujowuweget.pdfIn PDF document text
  • http://hferrynetworks.com/FileData/ckfinder/files/20210719_71FA338A15DDFBF3.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=calculate+the+length+of+each+arc+worksheet+answersPDF 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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