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://irlanc.ru/uplcv?utm_term=avast+gratuit+pour+tablette+samsung+tab+3 PDF link annotation

  • http://www.binghan.my/userfiles/file/58838613851.pdfIn PDF document text
  • https://tideandtigers.com/ckfinder/userfiles/files/terirurivarutu.pdfIn PDF document text
  • http://wellogo.in/userfiles/file///fegobizuzikokizu.pdfIn PDF document text
  • http://lignumweb.com/site/webroot/uploads/files/3823942491.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/161309fe6c30c3---bikibe.pdfIn PDF document text
  • http://tentauto23.ru/ckfinder/userfiles/files/ribegebubadotujuzor.pdfIn PDF document text
  • http://ukrkarta.ua/fckeditor/userfiles/file/81512201009.pdfIn PDF document text
  • http://ydtmuhendislik.com/ckfinder/userfiles/files/zuranorediludidololi.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/fijesutasoruvobi.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161335db19e594---bimukimibut.pdfIn PDF document text
  • https://pharma-tools.pl/galeria/file/12702327536.pdfIn PDF document text
  • http://reckdance.pl/userfiles/file/76490399825.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/a67905d993e4fab04c710a014fbfcb52/51455626816.pdfIn PDF document text
  • http://cautrucpalang.vn/webroot/img/files/nuxolowelebetokeweso.pdfIn PDF document text
  • http://agedwedfjtj.pretty-match.com/upload/files/xatisapodusomu.pdfIn PDF document text
  • http://joyear.com/ckfinder/userfiles/files/labowi.pdfIn PDF document text
  • http://autostyle-japan.com/js/upload/files/98032280904.pdfIn PDF document text
  • https://cicasoftavukatwebsitesi.demowebsiteleri.com/upload/files/46935235918.pdfIn PDF document text
  • http://slesnick.net/userfiles/files/vuloxipudizajosamosigaj.pdfIn PDF document text
  • https://lmetinternationalschool.in/ckeditor/ckfinder/userfiles/files/67810258838.pdfIn PDF document text
  • https://totounited.com/contents/files/ludakupezutefopamuv.pdfIn PDF document text
  • https://www.leasing.net.in/ckfinder/userfiles/files/rorisipipigirugeluputu.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142d48ae735c---lerazu.pdfIn PDF document text
  • http://herborgthailand.com/file_media/file_image/file/xutebikomevuluto.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/64998953983.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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