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://coretry.ru/uplcv?utm_term=i+am+albert+einstein+book+pdf PDF link annotation

  • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/f82790c4df51744c3ab7c9ddb4fc8131/fawisasodazupono.pdfIn PDF document text
  • http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/57316405051.pdfIn PDF document text
  • https://bhopalliteraturefestival.com/mpsdp/uploads/files/lojekikumikij.pdfIn PDF document text
  • http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/77522274845.pdfIn PDF document text
  • http://liga-stf.ru/i/upload/files/16235888945.pdfIn PDF document text
  • https://degardo.hollandpazsit.hu/ckfinder/userfiles/files/wuselugirewosibuve.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161491d3f6e3cd---19870402933.pdfIn PDF document text
  • http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xodes.pdfIn PDF document text
  • http://bbmeti.it/userfiles/files/63178218926.pdfIn PDF document text
  • http://electronicaindex.nl/images/uploads/bovev.pdfIn PDF document text
  • http://lednotice.com/userData/board/file/42619330680.pdfIn PDF document text
  • http://synfarm.com/upload/files/65065084501.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/26076774554.pdfIn PDF document text
  • http://gaongonmaiphuong.vn/webroot/img/files/jagugexisa.pdfIn PDF document text
  • http://huyndaicaudien.com/upload/files/tiforere.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/25c1c2b7fa6ba867eb13b3a536a21fff/xiwotunowezusasixum.pdfIn PDF document text
  • https://permargi.com/files/galeria/files/13983663920.pdfIn PDF document text
  • http://caogenzhiben.com/filespath/files/20210903045920.pdfIn PDF document text
  • http://unsersohn.com/images/file/tofiwipojawuxadi.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/a31c66c34cd315f817866eefa024a9d8/3390456273.pdfIn PDF document text
  • https://0900107678.com/upload/file/30591376462.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/1444942175613932f1d40f0.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/notebapumigeri.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/e43e0438e2496b65795b251bc6edb5a1/jonaxasek.pdfIn PDF document text
  • https://lixtech.com.tw/ckfinder/ckfiles/files/1410884064.pdfIn PDF document text
  • http://rana-international.com/userfiles/files/54110579648.pdfIn PDF document text
  • https://www.seblocation.com/ckfinder/userfiles/files/53369803821.pdfIn PDF document text
  • https://pokereshop.cz/data/file/24489167555.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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