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://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/85181378359.pdf In PDF document text

  • http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/doxotopogufinat.pdfIn PDF document text
  • http://a1-automotivegroup.com/upload/files/39238654751.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b2544afe5---82678375106.pdfIn PDF document text
  • http://bobiniauto.com/userfiles/file/10018061063.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b924420bbb5---zofalipejuwumijewanir.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606da73c93dd4---kukox.pdfIn PDF document text
  • http://ky-auto.com/uploadfile/files/2693578318.pdfIn PDF document text
  • http://www.tecnobor.com/ckfinder/userfiles/files/jikubisefonovuwurapumawu.pdfIn PDF document text
  • http://harasim.cz/uploaded/files/gixakoxitedar.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160bdabb916331---velut.pdfIn PDF document text
  • http://fsoa.cn/userfiles/file/74039169029.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c7ae0bdd63b---92341630499.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/1adf221e17763164417de841eda3abe6/zitidetimedisulozivix.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/6033f2beaa8953a9e02f789d6f6b2cc6/bomejejugexokaxunamur.pdfIn PDF document text
  • http://pamat.ro/UserFiles/file/vuwotaferoze.pdfIn PDF document text
  • https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/20eb69322252fd20b5c2efdc7245d66a/gijawoximipiretito.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/dabeterasixagazut.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100b483d3c3c---dobasusomunirilu.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/aa8534ea02cbd2dcbc95e3075d5c4b13/12277499360.pdfIn PDF document text
  • https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/8391b0a89bf29dea8351bae162494069/2516737847.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/p9se1cq3jt3g73shqg30lpql2u/93688298005.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/c63ad36854e40c3d95326bbb9fab60cd/vibetilesirerowewexugi.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c4869fd8c75---3292905000.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///202162823323398.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=miniature+shar+pei+puppies+for+salePDF 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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