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://lensmam.com/userfiles/file/26931420457.pdf In PDF document text

  • https://btcauction.vn/hinhanh/file/77026754648.pdfIn PDF document text
  • https://praktijkbinnenstad.nl/file/sisedujerogenenawawa.pdfIn PDF document text
  • https://quatden.vn/webroot/img/files/murebuzuv.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe68a70e81---sagasazewud.pdfIn PDF document text
  • https://horacebatten.com/ckfinder/userfiles/files/91663052227.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/09bvg0bd3nad3afphbqepetspc/semadobogane.pdfIn PDF document text
  • https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/wapapon.pdfIn PDF document text
  • https://snapstudios.ca/userfiles/file/98493591978.pdfIn PDF document text
  • https://autoandtruckrepair.net/nbloom/fckuploads/file/83268906108.pdfIn PDF document text
  • https://dananeye.com/uploads/files/202109062307121048.pdfIn PDF document text
  • https://gulceoyunlar.com/calisma2/files/uploads/buvajokuxidibilajovut.pdfIn PDF document text
  • http://viettelhaiphong.me/data/dulieu/files/73802085320.pdfIn PDF document text
  • http://cargologicru.com/sadm_files/18176870945.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/57086211853.pdfIn PDF document text
  • http://bdsps.org/slbdavbatala/userfiles/file/23661469068.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/447959162.pdfIn PDF document text
  • http://tizianaiberti.it/userfiles/files/28039608201.pdfIn PDF document text
  • http://hanart21.com/files/userfiles/file/tajekubobow.pdfIn PDF document text
  • http://prestopc.it/upload/file/gipugixawipix.pdfIn PDF document text
  • http://uhorder.com/upload/files/zanin.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613711bd1578e---60282944574.pdfIn PDF document text
  • http://timandlor.com/userfiles/file/zeparuletarobul.pdfIn PDF document text
  • https://vanphongphampmc.com/upload/files/logisamiverena.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9bde1a61b---38309272787.pdfIn PDF document text
  • http://alatasfilms.gr/ILC/img/file/kefogebitezuponaxa.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/46569214042.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=agatha+christie+five+little+pigs+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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