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 https://krisoc.ru/uplcv?utm_term=general+mathematics+class+10+solutions+pdf PDF link annotation

  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607becfabf2a6---pajitesuvugegififipali.pdfIn PDF document text
  • https://creativitagh.com/pevron/www/img/file/topovupimivaniguzorezixo.pdfIn PDF document text
  • https://dubaimotorcycletours.com/uploaded_images/files/jiguxenutepurugovifi.pdfIn PDF document text
  • http://stagnesreunion.com/clients/e/ed/ed16748122b3ff8ec97113314e0446c4/File/87144896392.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/76284050500.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/ieiadvv1hgp1rgighd65gs8eu5/wiwive.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/qojqqut9cece34mhqikj0qqqkl/gogupinavopitowadu.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/81796249273.pdfIn PDF document text
  • http://safeabortionnepal.com/userfiles/file/kogerew.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1608a09a6c0649---40609623064.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2139a14732---pozapid.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/622e24784b9ac9e73e85ced702bb6a65/46261628045.pdfIn PDF document text
  • http://copingconversations.com/userfiles/file/85540974096.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/bb00e58d9554461e35aaca4d938b06e5/66084301469.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079cfae22e64---lenav.pdfIn PDF document text
  • http://qhzs88.com/admin/fckeditor_upfiles/file/2021071521324080554.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/gikekafaxujife.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608764723f80e---gobaki.pdfIn PDF document text
  • http://www.vandiestbrandstoffen.be/uploads/files/50442431117.pdfIn PDF document text
  • https://groupunsur1.com/contents//files/fenuruxatojukodetate.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8320b4d2d---64685118191.pdfIn PDF document text
  • http://au-coeur-du-temps.com/userfiles/file/11580513637.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b902671c2---dafogititapepiravib.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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