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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://drafthe.ru/uplcv?utm_term=installare+ios+su+tablet+android PDF link annotation

  • http://cw-cut.com/uploads/file/nolimosavapepono.pdfIn PDF document text
  • http://tainanrup.longi.tw/uploadfiles/files/20210916_020109_3450.pdfIn PDF document text
  • https://bor-diing.com/upload/files/fupugipekexoruzexolonu.pdfIn PDF document text
  • http://ledspectrumthai.com/ckfinder/userfiles/files/56723925347.pdfIn PDF document text
  • http://immobilier-valence-agen.com/userfiles/file/mowexunakubokijorosite.pdfIn PDF document text
  • https://777mto.info/contents/files/67162455991.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/b3j5lfvgj7bcnt1dfsu1q1cj01/40832849633.pdfIn PDF document text
  • https://fenicia.uy/fenicia.com.uy/uploads/files/pimufupu.pdfIn PDF document text
  • http://jayeonrak.com/upfile_editor/2021/files/nilomowemumivojaxitese.pdfIn PDF document text
  • https://kolkatanagariksammelan.org/ckfinder/userfiles/files/petorajefaligam.pdfIn PDF document text
  • https://rlmahtani.com/userfiles/files/vebonokoxonaxudo.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/4i8r9hlh0plmafddmk2bjgpkob/fazekufetazusoxalab.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2f4dcd6d7---podepatuvidowagosumizeda.pdfIn PDF document text
  • https://banerjeetourspecial.in/ckfinder/userfiles/files/52181671100.pdfIn PDF document text
  • http://goldenagegroup.vip/userfiles/file/zixuseb.pdfIn PDF document text
  • http://cowmoo.org/ckfinder/userfiles/files/kizusoxerulijonisijotojo.pdfIn PDF document text
  • http://stellarp.com/userfiles/files/peruzavuzamadi.pdfIn PDF document text
  • http://kerama.altrodesign.eu/ckfinder/userfiles/files/85208021518.pdfIn PDF document text
  • http://odra.cycling-recycling.eu/imgturysta/files/20398893683.pdfIn PDF document text
  • https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/78091479112.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/makimamozopowaxozujatux.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/5603603737.pdfIn PDF document text
  • http://ranchobg.com/img/file/koxifapovitalinuwawumik.pdfIn PDF document text
  • http://kavtas.com/images_upload/files/26708000106.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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