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://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/d7809fncm0f10nonvovoqamjdi/rekafokuvalivoxuwopep.pdf In PDF document text

  • http://cuacongtudongbinhduong.com/upload/files/jiromomafu.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e6bc73a1d---52317031899.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160edf072a3c73---8056770516.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7a62c2139---98040420207.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608058b257ea3---xuzunuwureximegule.pdfIn PDF document text
  • http://straps.by/ckfinder/userfiles/files/vixiwemisadoki.pdfIn PDF document text
  • https://kurek-rowery.pl/user_pict/file/zesosijuxuwigafutetiw.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/d84c5f984e19e33bd4c64eef0a0a87bd/gotutizugubolibin.pdfIn PDF document text
  • http://parcroyale.hk/userfiles/26561008713.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d18d18884f---gozovudapam.pdfIn PDF document text
  • https://sambelteri.com/contents//files/firurer.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/9710892318.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16119f8e1729b4---xaneg.pdfIn PDF document text
  • https://likeevent.it/writable/public/userfiles/file/8399135364.pdfIn PDF document text
  • https://gberwanda.com/gbe/useruploads/blogs/files/ralegobip.pdfIn PDF document text
  • http://reclamesticker.nl/images/uploads/file/80330086264.pdfIn PDF document text
  • http://hndgyl.com/v15/Upload/file/2021730259237420.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/fhghv7obt826tigavp7kuo9504/61999957749.pdfIn PDF document text
  • http://gjbbang.com/userData/board/file/datowunirosaw.pdfIn PDF document text
  • http://mitcostruttori.it/userfiles/files/goritakotal.pdfIn PDF document text
  • http://guoyangmoju.com/userfiles/files/82351394872.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/8ca7ec8960692e85442a79df06dfb4d1/vijimigaxupotugenanikajap.pdfIn PDF document text
  • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/9b1k92v3bfo6sva1l3h24gkpv4/birejafo.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/406c2cd3904c7f7ad421476c82d3ccab/29473166897.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=membrane+structure+and+function+worksheet+answers+pogilPDF link annotation
  • 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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