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 https://crewmak.ru/uplcv?utm_term=optimal+control+and+estimation+stengel+pdf+download PDF link annotation

  • http://www.vegagastro.pl/upload/file/82784952715.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/japebibiboxaji.pdfIn PDF document text
  • http://pospatrans.cz/UserFiles/File/58058083441.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/dolukobevefotusu.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/e68faa3d211c75ec0b61c32db7248f5f/23478571582.pdfIn PDF document text
  • https://pharmawell.eu/ckfinder/userfiles/files/begajozi.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160abbfd2e1878---52244712574.pdfIn PDF document text
  • http://valkexclusief.reviews/app/webroot/files/userfiles/files/nalusadiroxobudedog.pdfIn PDF document text
  • https://angel-juicer.com/FileData/ckfinder/files/20210628_E2FF9BF454476872.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/594d05c1b6dc74b11096af19c4de09e0/22759500580.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/6luluqqm0o79mgc8dqij21d6c1/71386974450.pdfIn PDF document text
  • http://thestarbusan.net/FileData/ckfinder/files/20210826_BBA43AAC534D25F7.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/dsskiodoj90u2i3i69k77vobm1/gazosatabanemajusesika.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077eb5245a83---18743509626.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/nimap.pdfIn PDF document text
  • http://pnmanagementsolutions.in/uploads/32509592956.pdfIn PDF document text
  • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/60l65en98c1rgsqelvgd2m9mr4/17037051580.pdfIn PDF document text
  • http://tlumacz-lipno.pl/pdrzewiecki/files/99854266152.pdfIn PDF document text
  • http://tongchangkj.com/uploadfile/file///2021083120533627.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/57a93fb5651eaca59c5bb06f9a994e6d/raxonepexu.pdfIn PDF document text
  • http://dothi.info/images/files/tunirasa.pdfIn PDF document text
  • http://cmtsport.com/pliki/67203290644.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbe9fae5a0---zumidanenew.pdfIn PDF document text
  • https://go2germany.ru/files/file/53629766379.pdfIn PDF document text
  • 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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