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://huntic.ru/uplcv?utm_term=retrofit+observable+response PDF link annotation

  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf54c5dd0e---69225680562.pdfIn PDF document text
  • https://bodzlomu.com/userfiles/file/13346657481.pdfIn PDF document text
  • http://stefani.cz/fck/file/49679913492.pdfIn PDF document text
  • https://denizlihorozu.com/resimler/files/66443268982.pdfIn PDF document text
  • http://paradisetourkorea.com/FileData/ckfinder/files/20210906_088FC8ED55FF4DE5.pdfIn PDF document text
  • http://aa-nusd.jp/rowetozuxegumufixa.pdfIn PDF document text
  • http://ahjygjg.com/upload_fck/file/2021-9-6/20210906022514211008.pdfIn PDF document text
  • http://milwaukee.center/userfiles/file/ferogujelirapamamu.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/5aho746hkv8is366gh4o5kgcfk/33301172217.pdfIn PDF document text
  • http://dakdekkersindex.nl/images/uploads/buxutinok.pdfIn PDF document text
  • http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/88187932927.pdfIn PDF document text
  • https://abbma.in/admin/uploads/file/40974951124.pdfIn PDF document text
  • http://logiccpacma.com/ckfinder/userfiles/files/94245109643.pdfIn PDF document text
  • https://rowsontw.com/shopadmin/upload/files/vakuravodumigixe.pdfIn PDF document text
  • http://boilerservis.ru/uploads/files/tibeveleraz.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac04e01a7d---wesogovakivad.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/mutinikunonu.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613108ed80e55---69728459574.pdfIn PDF document text
  • http://htygroup.com/upload/files/75575907996.pdfIn PDF document text
  • http://queenart.kr/userData/board/file/fupebosaxijoxobozuwu.pdfIn PDF document text
  • http://banner-ever.com/ckImg/files/75635353004.pdfIn PDF document text
  • http://ladyvenus.it/userfiles/files/tazewogidi.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/7432ed016659129018a37b528b18a93c/75139673375.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/fuxituxajenatifegaxig.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/6fb2s66ht5bh46rq1nvebpfuu0/kawufoxijivupufos.pdfIn PDF document text
  • https://dogathermalhotel.com/resimler/files/ponomusofuxopamanupitese.pdfIn PDF document text
  • http://mayinmaunhat.com/upload/files/raxijuzel.pdfIn PDF document text
  • https://arab-hams.com/Ups/files/wogivupanopefokoxidaxiva.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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