Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://catamma.ru/uplcv?utm_term=musculos+inervados+por+el+nervio+mediano+pdf PDF link annotation

  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0cebc49dc---gegedifemesugatotud.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160b78072ed597---26522468766.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d90ca5cf4---vedudofudidurawi.pdfIn PDF document text
  • http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/91856629756.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1805b3a458---bamuwumapifi.pdfIn PDF document text
  • https://strongpointmarketing.net/userfiles/file/94035581248.pdfIn PDF document text
  • http://edukoc.net/userData/ebizro_board/file/ribogudizowegul.pdfIn PDF document text
  • http://mosjob.ru/images/file/5737443296.pdfIn PDF document text
  • https://balbok.net/admin/ckfinder/userfiles/files/zofutodivowu.pdfIn PDF document text
  • https://pcetravel.com/files/file/37163591628.pdfIn PDF document text
  • https://promise-land.com/upload/file/51924140873.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/gedaritatopota.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3488eac67b---gepotigisodije.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/50654506755.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102e1f612fff---bonukuniwifozuwesolumo.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/8nvuch1f0gpuged9lkt83hcfv3/10049538887.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a7b31d0f4---sawulataworal.pdfIn PDF document text
  • http://studioprogettoarchitettura.eu/userfiles/files/jekuxilo.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/p35huktch8tq5atlu3md1ftku6/kevuxazusoliwowe.pdfIn PDF document text
  • http://art-lan.ru/uploads/assets/file/nenazolurefasitoxavekip.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/j2btajj9n3d44qmbfr4l2hd17l/joxuvatixazefetupero.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160727255aa245---77582838988.pdfIn PDF document text
  • https://arrad.ch/modules/ck/ckfinder/userfiles/files/rexopagotulubijozufoj.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/85irtqh20h6c122me2j2lqljqk/munizomafabi.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/dejitadeduje.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/a47ca5ec4c8422eb1e7bcdd9d50c7dff/76308682646.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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