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://oniceh.ru/uplcv?utm_term=which+is+best+iphone+or+android+phone PDF link annotation

  • http://computer-rudolstadt.de/upload/file/nedurobisodog.pdfIn PDF document text
  • http://box8websites.com/ckfinder/userfiles/files/29650459935.pdfIn PDF document text
  • http://lingeriedediva.com/UploadFile/file/2021091120101973499.pdfIn PDF document text
  • https://walkandsmile.com/userfiles/file/werawapedivadevatuku.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/8co6taedik2s8tubee1em2p1v4/51555444396.pdfIn PDF document text
  • https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/kefufurawiv.pdfIn PDF document text
  • http://hglobaltour.com/FileData/ckfinder/files/20210912_A4EA79DD27B0830C.pdfIn PDF document text
  • https://interstudy.net/userfiles/file/nakakux.pdfIn PDF document text
  • http://0985028898.kad.tw/kads/ckfinder/userfiles/files/54530891569.pdfIn PDF document text
  • http://zsdbiopharm.com/upload/files/75956042620.pdfIn PDF document text
  • https://k85shj16h-561lt.com/contents/files/wulorinudalurik.pdfIn PDF document text
  • https://metrosecuritynepal.com/assets/userfiles/files/kunukaridijekix.pdfIn PDF document text
  • http://3asoft.vn/img/files/degepuromasu.pdfIn PDF document text
  • https://siriusdynamics.com/assets/uploads/files/muravizenagigepaw.pdfIn PDF document text
  • http://giorgimpianti.com/userfiles/file/96034795002.pdfIn PDF document text
  • https://www.gullyracing.it/admin/ckfinder/userfiles/files/bitonipasew.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/f7dd4d14859e67290795c706c6a1b40f/75336207146.pdfIn PDF document text
  • http://gleb777.com/fck_upload/file/25927647649.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/46774339851.pdfIn PDF document text
  • http://yushendesign.com/images_fck/file/1630789773.pdfIn PDF document text
  • http://elliptical-trainers.ru/ckfinder/userfiles/files/38457778450.pdfIn PDF document text
  • http://office-agglo-larochelle.fr/userfiles/file/fofigogobiwuzakotubafi.pdfIn PDF document text
  • http://vector-luczak.pl/new/fck_user_files/file/69758853235.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16142e46c434b1---19015213347.pdfIn PDF document text
  • http://lgassociates.in/uploads/7674790931.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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