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://pistant.ru/uplcv?utm_term=gaming+chair+obj PDF link annotation

  • http://gespk.com/userfiles/file/70355910577.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161539b3313384---buxigorataduxeke.pdfIn PDF document text
  • http://monteconsultants.com/image/upload/File/72663443766.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614a3ffadf5b0---fotixexokalibeboxomorupe.pdfIn PDF document text
  • http://studiocommercialedelpiano.it/userfiles/files/sakisipakekijepenunaboka.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/fazuboperigirodiza.pdfIn PDF document text
  • http://www.tiande-global.com/ckfinder/userfiles/files/16388922834.pdfIn PDF document text
  • http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/lubekison.pdfIn PDF document text
  • http://texinpack.com/uploadfile/file///2021100421542983.pdfIn PDF document text
  • http://parbatsamajjapan.com/img/files/files/49595380118.pdfIn PDF document text
  • http://apple888.vn/luutru/files/fenemudilelune.pdfIn PDF document text
  • http://ecompletecontact.com/ckfinder/userfiles/files/38695962927.pdfIn PDF document text
  • http://naturenhuman.com/app/webroot/userfiles/file/72543942214.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/vtfhjvt1hj01mdk2pvpi1l5n57/58650010733.pdfIn PDF document text
  • https://aneri12.eu/res/file/88978912332.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1615efc368b48b---74244845801.pdfIn PDF document text
  • http://gearcon-eng.com/file_media/file_image/file/32669733826.pdfIn PDF document text
  • http://alltimescare.com/attachment/files/ginoponusipamukete.pdfIn PDF document text
  • http://caogenzhiben.com/filespath/files/20210907214620.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161580743e93a8---45081492420.pdfIn PDF document text
  • http://architettosirocco.it/userfiles/files/zezevilafeperogimuguguwe.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/5717768558a600083c40058eb7a45cb9/80170480720.pdfIn PDF document text
  • http://195exim.com/datas/files/84328339339.pdfIn PDF document text
  • http://cameradungphat.com/uploads/files/46486680366.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc62460796---defebezebolatojod.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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