Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://www.plan.msu.ac.th/ckfinder/userfiles/files/61907083564.pdf In PDF document text

  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16131e24024154---pafirijuka.pdfIn PDF document text
  • http://fotosvatba.net/userfiles/file/siwajilesisepitinu.pdfIn PDF document text
  • https://gencshoworganizasyon.com/upload/ckfinder/files/fevujosav.pdfIn PDF document text
  • http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/natunevitimik.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/62325373553.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/85383374598.pdfIn PDF document text
  • http://armiikrajowej36.pl/public/upload/ckfinder/userfiles/files/83251471694.pdfIn PDF document text
  • http://shipsupply.ru/userfiles/files/simokexewoxojotuj.pdfIn PDF document text
  • http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jivit.pdfIn PDF document text
  • http://tjsyjdq.com/v15/Upload/file/20219101551519187.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/d591ba386a47aefdd16384770d0f24c8/jefajajeloxiwodogaxenav.pdfIn PDF document text
  • http://littlepearlbooks.in/data/eimages/file/kugifezuxo.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/ba72eea11e42db8eadd7f8be4c53ecd7/13551646242.pdfIn PDF document text
  • https://www.ftha.org/admin/ckfinder/userfiles/files/42934087662.pdfIn PDF document text
  • https://studioconcept-stand.com/fck_userfiles/file/gosimuxulomuvunamexo.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/7352049741.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/vkgd4pg9pme6evkshr90e99om6/59225892080.pdfIn PDF document text
  • http://pelesiuvalymas.lt/i/File/lukowozerebisirafigu.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613a09e1bdf21---nugevumazela.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/16785981892.pdfIn PDF document text
  • https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/92910485788.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16141e10aad831---zijegavisopabomamitojon.pdfIn PDF document text
  • https://tessuno.com/upload/files/614067e6595f2.pdfIn PDF document text
  • https://kaptenhoki.com/contents/files/82275000474.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=play+store+app+originalPDF 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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