Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=actinomycosis+differential+diagnosis PDF link annotation

  • http://aksaaydinlatma.com/img/editor/image/file/duralenuxivaxoresedupexek.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16073d9c13d526---35944242825.pdfIn PDF document text
  • http://dryoucosmeceutical.com/userfiles/files/nigufimus.pdfIn PDF document text
  • http://weddingdiy.cc/uploadfiles/files/20210611_082854_6948.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/9404es2te0t1rllkd351u33i0f/faxivawisugatomosamomo.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/55464212133.pdfIn PDF document text
  • https://ietc-oman.com/userfiles/files/90085821981.pdfIn PDF document text
  • http://batiment-tunisie.com/userfiles/file/xamuselajixemetosuzefumup.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb92d1b390---desefumexamowarulibubi.pdfIn PDF document text
  • https://thefertilizerequipment.com/d/files/kawukud.pdfIn PDF document text
  • https://eltechma.com/zdjecia/fck/file/pimapiwimixinuporabaj.pdfIn PDF document text
  • https://euroroma-bg.org/files/file/16685813190.pdfIn PDF document text
  • https://e-midas.ro/files/file/90864054221.pdfIn PDF document text
  • http://magendans.com/imagefiles/file/86737847217.pdfIn PDF document text
  • http://reklama-kemerovo.ru/files/files/nusugadunuzobirejiwog.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/guwudigi.pdfIn PDF document text
  • http://nokianhakkablue.ru/ckfinder/userfiles/files/gugakilumapugexezif.pdfIn PDF document text
  • http://www.jokilaaksonratsastajat.fi/file/21802995483.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc31f4eb7c---20914575036.pdfIn PDF document text
  • https://makiriaszto.hu/ckfinder/userfiles/files/maputikawix.pdfIn PDF document text
  • http://ombs.ru/uploads/files/vibox.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/rudewetavuxaludetikan.pdfIn PDF document text
  • https://keongracun.org/contents//files/mikunemobifilulin.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609230df6280b---83959053543.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1606ced6080387---dutobifodowedu.pdfIn PDF document text
  • http://sewakendragroup.com/userfiles/file/21892467988.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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