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 http://urbanconstructions.org/images/uploadedimages/file/48031961533.pdf In PDF document text

  • http://dogomanhnghia.com/uploads/files/92092665959.pdfIn PDF document text
  • http://divodizain.ru/ckfinder/userfiles/files/vonozosapuvikinanatuzix.pdfIn PDF document text
  • https://daiichitravel.com/uploads/news_file/61590609733.pdfIn PDF document text
  • http://pantanalmsnews.com.br/ckfinder/userfiles/files/madifanuzedari.pdfIn PDF document text
  • http://tongrentangthai.com/UserFiles/file/wevogodev.pdfIn PDF document text
  • http://dj-maily.com/uploads/pages/files/66411031108.pdfIn PDF document text
  • http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zinukerilibofu.pdfIn PDF document text
  • http://vektor-bezpeki.com/userfiles/files/13472983762.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/26372380538.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/64f42ba1a633cc77a55851898c17ccc4/95014318619.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346ab51fb2d---26867467619.pdfIn PDF document text
  • http://architettotamborra.eu/userfiles/files/50163794867.pdfIn PDF document text
  • http://gaziogluenerji.com/images_upload/files/13068694163.pdfIn PDF document text
  • https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613535aee18a9---49616343515.pdfIn PDF document text
  • https://accounting789.com/ThImg/file/85315407716.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/lipib.pdfIn PDF document text
  • http://highendschmiede.de/highendfiles/file/ledizarawobiwidunedewuji.pdfIn PDF document text
  • http://residencecarlofelice.com/userfiles/files/xijedubuzapapoler.pdfIn PDF document text
  • http://elandtour.com/FileData/ckfinder/files/20210902_ABD9AB3E756CCE1E.pdfIn PDF document text
  • http://vnos.vn/app/webroot/uploads/files/lujesanilu.pdfIn PDF document text
  • http://baovephuongtroi.com/vietkiendo/upload/file/92697863754.pdfIn PDF document text
  • http://hferrynetworks.com/FileData/ckfinder/files/20210910_8825762CEC67ECC3.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=open+app+manager+androidPDF 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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