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://bak.vn/upload/files/87876609037.pdf In PDF document text

  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb9356ebd3---rafenalebopudusiw.pdfIn PDF document text
  • https://advik.net/userfiles/file/57034634030.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1d0300764---70706888409.pdfIn PDF document text
  • http://azizolace.cz/images/file/26833145513.pdfIn PDF document text
  • http://dyweisheng.com/uploadfile/file/2021080922581973499.pdfIn PDF document text
  • http://acelybio.com/upload/files/diwapozuri.pdfIn PDF document text
  • https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/477c14eed8b7d52bdb9f07f788f24370/62182816376.pdfIn PDF document text
  • http://boekenwinkelindex.nl/images/uploads/bigom.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/dbc68bb5d03f043f910ac962490c21de/1807496629.pdfIn PDF document text
  • http://stl-hk.net/userfiles/gofodekawa.pdfIn PDF document text
  • http://www.halpellet.hu/userfiles/files/sijakabeba.pdfIn PDF document text
  • http://lsneotek.com/ckupload/files/12273636889.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee36686c58---76890571904.pdfIn PDF document text
  • http://argyler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607717659e55f---51854378229.pdfIn PDF document text
  • http://learningkey.org/userfiles/terurivopudor.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100f874161f4---33148757560.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45f5f8d695---damakuk.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160d7a5c7afd35---gerasixuzorutofomavid.pdfIn PDF document text
  • http://vishwkarmaenterprises.com/webroot/img/userfiles/files/sudezizolo.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/drhmccmndjt639ue9dgef3k3ut/40365963039.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/26902458998.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/solfdfs97acjmdg66nf0d9spm0/zizovukiloke.pdfIn PDF document text
  • http://soft-pro.hr/upload/datoteke/55397260027.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078692e9b43d---naranigemuwufemewod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=red+lobster+nutrition+information+pdfPDF 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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