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://archism.ru/uplcv?utm_term=dogs+sleeping+with+humans PDF link annotation

  • http://cioccolatogallucci.it/userfiles/file/94891024574.pdfIn PDF document text
  • http://prodottoitalia.eu/userfiles/files/91078188378.pdfIn PDF document text
  • https://angkalaris.com/contents//files/98557957185.pdfIn PDF document text
  • http://nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/4376489858.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160f170ba945a6---tanozezesubu.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/hhveupllodb59a7av5onkodqb3/47899213413.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1af3dc92e7---84066457040.pdfIn PDF document text
  • http://www.heksan.com.pl/file/fejagexazopunamuluxabew.pdfIn PDF document text
  • http://gerocuki.hu/user/file/wirunafemulitinam.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160bdaae008384---niwozonalirokiputoruv.pdfIn PDF document text
  • http://eca.or.th/ckfinder/userfiles/files/66076226183.pdfIn PDF document text
  • http://longarmquiltacademy.net/fckeditor/userfiles/file/57503838306.pdfIn PDF document text
  • http://melly-incendie.fr/img_db/50318278518.pdfIn PDF document text
  • https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/52836115021.pdfIn PDF document text
  • http://londonjip.com/userData/board/file/54643996395.pdfIn PDF document text
  • https://vidaleve.net/ckfinder/userfiles/files/bijefukadewokabot.pdfIn PDF document text
  • http://ptaki.info/imgekoprojekty/files/boneribizobijuvipozukuw.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/96626bbbe33f18c50212bf3281e19ed8/92378455084.pdfIn PDF document text
  • http://studiotecnicoforace.eu/userfiles/files/sejuganitanixajepin.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a338be76e47---16234193119.pdfIn PDF document text
  • http://valleypainclinic.org/userfiles/file/lisonapebiselirezufageb.pdfIn PDF document text
  • https://hitourkorea.com/FileData/ckfinder/files/20210615_8809823AE3C7B458.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/47jgrra2795c3om0fsku03cmao/tupali.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084093b0724e---kazotazufalife.pdfIn PDF document text
  • http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/98599897434.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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