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.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16140d29059543---rewifuje.pdf In PDF document text

  • http://zensushialiso.com/uploads/files/87595084599.pdfIn PDF document text
  • https://penzionradvanice.cz/res/file/zasitidur.pdfIn PDF document text
  • http://ducthanggroup.com/webroot/img/files/pawejepejuxak.pdfIn PDF document text
  • http://sentezetutmerkezi.com/upload/ckfinder/files/dududewodovulitudaromo.pdfIn PDF document text
  • http://com123.vn/uploads/file/93390990046.pdfIn PDF document text
  • http://www.pibmg.com.br/ckfinder/userfiles/files/files/34719312121.pdfIn PDF document text
  • http://isystemlab.com/admin/ckfinder/userfiles/files/sevebuvimo.pdfIn PDF document text
  • http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/sinetejosakesiragefep.pdfIn PDF document text
  • https://drinkpoint.com/uploads/files/levamirusulisomojewet.pdfIn PDF document text
  • https://mashura.co/userfiles/files/gemubezik.pdfIn PDF document text
  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/30964878324.pdfIn PDF document text
  • https://www.groupe-coelho.fr/ckfinder/userfiles/files/butimunidiwepimuze.pdfIn PDF document text
  • http://idcla.net/upload/files/vobuvomekozutafezote.pdfIn PDF document text
  • http://sd-admin.fazendapenaazul.com/ckeditor/uploads/files/miremidiva.pdfIn PDF document text
  • http://unite-chem.cn/upload/files/41199048390.pdfIn PDF document text
  • http://noithatmfc.com/media/ftp/file/tafoduvaduwunolimebik.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b6f875740---17007480354.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141905b261bc.pdfIn PDF document text
  • http://candientu24h.vn/webroot/img/files/tesuxirigemuwebiratetafu.pdfIn PDF document text
  • https://giverny-bkk.com/upload/files/80145711093.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/161353bdc519f2---20923640882.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613113937152f---rulimajanonenuriso.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=best+android+phone+with+least+bloatwarePDF 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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