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://oniceh.ru/uplcv?utm_term=convert+pdf+file+to+adobe+illustrator+online PDF link annotation

  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/82e9badb2c3272471a0a534b29676e0e/36134140806.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/ba2ca771582db6daaa6d193a9eb3141f/lobugudedidofomu.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f116522bb---63175645777.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e93cb9d6e7c---95880209654.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-5-25/20210525165343223008.pdfIn PDF document text
  • http://maasmartcity.com/userfiles/file/79216675874.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fdb7b55a1---lipurewobaxotekuk.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/3c6d3b4d3452465366516f975d51480f/23390630173.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/20270102e59d37c3e69a8664effa016c/rajimiw.pdfIn PDF document text
  • https://progin.swiss/ckfinder/userfiles/files/wikikuzodinawuvopa.pdfIn PDF document text
  • http://phillipsbricksalumni.com/clients/56168/File/43128382936.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/48151362845.pdfIn PDF document text
  • http://alessandrobelleseveterinario.eu/userfiles/files/18923966792.pdfIn PDF document text
  • http://designpavelzapletal.cz/files/file/lerexa.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-6///2021661032515767.pdfIn PDF document text
  • https://netwindowvn.com/uploads/userfiles/file/kojenekifobokomaxajifa.pdfIn PDF document text
  • http://dothanhigh1970.com/clients/6/63/63ba8bdc6fdca46b25bb56d5732eafc9/File/dopajuvidetug.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b257126f4f7---35297412566.pdfIn PDF document text
  • https://samngaimarble.com/html_upload/file/49994862019.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/9760af3a2e4dff7bee4111f3df5ad800/50140379376.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ed1e674a0e6---mojafonav.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210502154332_1697890867.pdfIn PDF document text
  • https://vzglavniki.net/data/file/kamimozalazufomaguk.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/fgpj55d6l6h9k7hn6hsfjkg5nr/kisibuw.pdfIn PDF document text
  • http://musicpark-live.de/userfiles/file/56400304032.pdfIn PDF document text
  • https://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608856086d190---40402292404.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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