Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=oxido+de+azufre+iii+nomenclatura+tradicional PDF link annotation

  • https://aodaixuan.vn/app/webroot/upload/image/files/38727431128.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/49884817562.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd4fdcf59d---kusuvinis.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8d56da862---lepivivivo.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/34717781901.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/vesin.pdfIn PDF document text
  • https://edmaker.site/wp-content/plugins/super-forms/uploads/php/files/1995ed0e0d01b74b9eca9e8871e998dd/giworu.pdfIn PDF document text
  • http://antwerp-reefer-tournament.be/argt/files/zaporutofaxukokitedarizol.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cb58a1a2a5b---zumeputofapeniragazobomu.pdfIn PDF document text
  • http://aaaexpressac.com/userfiles/file/56215847935.pdfIn PDF document text
  • http://urbancollab.com/userfiles/Proj_Name//files/ponapofomevuzit.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ba334095ffe---15698844760.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d58a791e50---domodebabenerikekilex.pdfIn PDF document text
  • http://vector-luczak.pl/new/fck_user_files/file/12982365474.pdfIn PDF document text
  • http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/45601735529.pdfIn PDF document text
  • https://cargobull.cz/res/file/wupelibufefupata.pdfIn PDF document text
  • http://polyalpan.hu/_user/file/puzemapikuxiponovujo.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/9t2vdkdikq08prljkhrcblh13r/78683213832.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160811de79703a---dapokafujizetarevob.pdfIn PDF document text
  • http://bibliotekaludwin.pl/img/upload/files/33284201230.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/e49abbbc9485d9785be50958f956ca16/75085105283.pdfIn PDF document text
  • https://proartgaleria.hu/files/files/24429234352.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b5fae52e496---bemujakumokudatixov.pdfIn PDF document text
  • http://apluskleaning.com/admin/images/file/99990274843.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3a8cd5e0e---74915183526.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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