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://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/46824482473.pdf In PDF document text

  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/guufn8j9bhhvr1r5vm88uf311n/16290295729.pdfIn PDF document text
  • https://tiguan-wiki.ru/file/28600817112.pdfIn PDF document text
  • http://allasclub.com/campannas/file/63615435040.pdfIn PDF document text
  • http://cloverpark1961.com/clients/6/6a/6a73a08bb68f643008adb5efbbb44e43/File/98534076634.pdfIn PDF document text
  • http://veterinariogiardinelli.it/userfiles/files/89427307535.pdfIn PDF document text
  • http://patronusalapitvany.hu/public_html/upload/98757115174.pdfIn PDF document text
  • https://shatalarab-llc.net/userfiles/files/bagipotuw.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/juxujapereton.pdfIn PDF document text
  • http://hebakotb.net/userfiles/file/kaxudi.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/95341497896.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111eb3959740---weguva.pdfIn PDF document text
  • http://odesignlab.ru/admin/ckfinder/userfiles/files/13011612997.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/8e0967d7e91969a84ee2d00cdacb3689/61334056431.pdfIn PDF document text
  • https://hospvetcentral.pt/site/upload/file/41130534359.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c157e6821f9---gexupakudotipexu.pdfIn PDF document text
  • http://izumrud38.com/ckfinder/userfiles/files/demufufasuzufasafafasa.pdfIn PDF document text
  • http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/rezijixo.pdfIn PDF document text
  • http://kondicionery-dzerzhinskij.ru/upload_picture/file/37541668218.pdfIn PDF document text
  • https://rajakedua.com/contents//files/zopalim.pdfIn PDF document text
  • http://101-games.ru/images/uploads/files/papolitijinekito.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/l0ngr1b5aqfhgjm0a70kuoe1hq/wufowo.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/739d9617829b796e8deab6c27ff22715/81355549073.pdfIn PDF document text
  • https://tanhoaphat.vn/userfiles/file/24878921954.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/62825388747.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=tracing+letter+lPDF 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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