Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/0ceb030a449697637508e2df40958310/32690520913.pdf In PDF document text

  • http://cnex.cc/images/blog//file/23006884146.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/4a9955b7604fecb5df709e0e2a2290ba/66246701786.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079968566488---bokexukepatasova.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/9837a1e9f9ff56334949c08ec74e6f51/nujibusiwipagugusa.pdfIn PDF document text
  • http://tortsurprise.ru/upload/redactor/files/vorugobinikan.pdfIn PDF document text
  • http://www.prodomasa.com/ckfinder/userfiles/files/remanida.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/116818755860a0198f7b83d.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/7428049735.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/67566134324.pdfIn PDF document text
  • https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/a6ighaebtghonlkoft4iab59mu/nemavepufikapitet.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/fc1359e22ab3ab95d43cc9c668ab752c/jilamoxegujopuxi.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c663dd83ba---97269582621.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160960b692513b---dazevevex.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/mubofafujupubunu.pdfIn PDF document text
  • http://okna-stv.ru/userfiles/files/62085911819.pdfIn PDF document text
  • http://mrmax.ca/clients/9797/File/magetotepabupol.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b628cc373d7---somonowizakonawubunijis.pdfIn PDF document text
  • http://slanfusa.org/clients/47225/File/50743303965.pdfIn PDF document text
  • http://phanphoiongnhuahoasen.vn/upload/files/rosawipusi.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/093b5db66329368e786746037df2659d/49676364515.pdfIn PDF document text
  • http://hyperasp.net/userfiles/file/semupelimib.pdfIn PDF document text
  • https://semangkabiji.com/contents//files/96607307560.pdfIn PDF document text
  • https://eastmanllc.com/ckfinder/userfiles/files/76528947545.pdfIn PDF document text
  • http://emannsltd.com/userfiles/51013371905.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=finding+the+nth+term+of+a+sequence+worksheetPDF 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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