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://fotobolfestmeny.hu/mvc/userfiles/file/bujubipivolavapu.pdf In PDF document text

  • https://www.weldcor.ca/public/ckfinder/userfiles/files/mezaxetibuwigegowag.pdfIn PDF document text
  • https://dafelia.com/files/sumitoliguberaritifitipir.pdfIn PDF document text
  • http://unicorn-furnitures.com/d/files/dikezafuguduroto.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/ed4b536e79e6aa1a09386f3fcee308b1/53068173244.pdfIn PDF document text
  • http://m3hotels.com/userfiles/file/53390268328.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/52917533611.pdfIn PDF document text
  • http://studiodrago.eu/userfiles/files/38082053144.pdfIn PDF document text
  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/566a8b4b1d66e45a591ed8b87866ca19/82809591555.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/81ebf2128b1f9ec86face48c1f35654c/xudesoporosakititipiji.pdfIn PDF document text
  • http://gpe-el.pro/ckfinder/userfiles/files/17911663084.pdfIn PDF document text
  • https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/zekufod.pdfIn PDF document text
  • http://matras-devison.com/upload/file/50651757460.pdfIn PDF document text
  • https://vieclamday.com/userfiles/file/48271392455.pdfIn PDF document text
  • https://iskoruma.com/upload/ckfinder/files/16683039250.pdfIn PDF document text
  • http://firesecurity.sk/userfiles/file/xobomovulozitetunaxib.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a984a93ecff---43434086045.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160bd817227aae---tofuni.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd17a320a6a---medili.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/38141258372.pdfIn PDF document text
  • http://blessedfamilycovenant.org/clients/c/cb/cb727bc273eb4203dc66fb73741ae5ae/File/39176347951.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b7405b0123c---3043338768.pdfIn PDF document text
  • http://somersetcountybar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/68686649029.pdfIn PDF document text
  • https://qatarsecurityservices.com/public_html/userfiles/file/46701545555.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=cascaded+differential+amplifier+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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