Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://oniceh.ru/uplcv?utm_term=is+it+easier+to+learn+french+or+spanish PDF link annotation

  • http://jlsxjy.com/right/UploadFile/file///2021091117181173499.pdfIn PDF document text
  • https://ph2020.org/FCKeditor/file/79840742687.pdfIn PDF document text
  • http://playonathletics.com/userfiles/file/77505292396.pdfIn PDF document text
  • https://powerliteaac.com/userfiles/file/39091488064.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/vatidemakirodadorufomaziz.pdfIn PDF document text
  • http://ciaomamma.hu/editor_up/98909809477.pdfIn PDF document text
  • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/dolalorenum.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161324d70c949a---tidazaxawubimawutani.pdfIn PDF document text
  • http://bk-plus.at/userfiles/files/zupidolego.pdfIn PDF document text
  • https://ytdrive.com/CKEdit/upload/files/16044200372.pdfIn PDF document text
  • https://lanegarrett.net/userfiles/file/xumefubofamugajir.pdfIn PDF document text
  • http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/56829111497.pdfIn PDF document text
  • http://rebornfair.com/FileData/ckfinder/files/20210912_5975DD5B3313B541.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16152c2bd52c2e---34803926316.pdfIn PDF document text
  • http://toanthinh.vn/webroot/img/files/tilagesojorojekope.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/98138325616.pdfIn PDF document text
  • http://erex.hu/upload/file/4637603050.pdfIn PDF document text
  • http://timavoshipsupply.it/userfiles/file/20713574619.pdfIn PDF document text
  • https://sibconsulting.com/contents/files/fijizakowoguxuxiwuzete.pdfIn PDF document text
  • http://katyababash.com/images/uploads/file/85033534785.pdfIn PDF document text
  • http://azbuka-d.ru/ckfinder/userfiles/files/kekewizirovajufugamenu.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1615622f8da194---43964383616.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613548fe66f7b---susimizefovoxikudomegare.pdfIn PDF document text
  • http://jncs.kr/page_data/file/20210901171340.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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