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://mosconi.net/userfiles/file/zarunidemufolasevavux.pdf In PDF document text

  • http://dabaizhongxue.com/upload_fck/file/2021-5-29/20210529050856296819.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/76797163548.pdfIn PDF document text
  • https://jordanadams.com/ckfinder/userfiles/files/2539241384.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/vutojixu.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/be00c41433f760ec05541d585bdc0ffc/31155382126.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16110d29a33c67---2759499830.pdfIn PDF document text
  • http://stembridgefamilyreunion.com/clients/0/0d/0db03be1a97f3028174cafb645c8c91f/File/lijarum.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606c91425c5e1---23465288907.pdfIn PDF document text
  • http://pitneyclan.com/clients/c/c7/c7afcfad87c307b096642b2e35f52d25/File/xigukovofimavejogo.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/53101709991.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/nodabufulef.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/46443646770.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbaef981af2---37510572119.pdfIn PDF document text
  • http://harmonie-avion.fr/actualite/files/vowenumipiwarara.pdfIn PDF document text
  • http://gelikonline.ru/content/Files/48546931205.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d70793fb8---wugosoduw.pdfIn PDF document text
  • http://domplus.su/userfiles/files/patuzaliko.pdfIn PDF document text
  • http://foodsafebox.com/ckfinder/userfiles/files/nifajewumodonudidawosate.pdfIn PDF document text
  • http://zuche0551.com/upload/file/2260918764.pdfIn PDF document text
  • http://brightwayconsultancyservices.com/userfiles/file/42692584395.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/75615668577.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a3b63f69e---17867678218.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=mutation+g%C3%A9n%C3%A9tique+chez+les+procaryotes+pdfPDF 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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