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://medvor.ru/uplcv?utm_term=cumulative+distribution+function+vs+pdf PDF link annotation

  • https://acronimocostanzo.com/userfiles/file/6343609408.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d5f4dd73ee5f8e35f07f487af19c77d0/44667817112.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/89fd7d429de482907afd80c69e7d308a/pomutuwimopilulodebeduzin.pdfIn PDF document text
  • http://www.globalnautique.nl/upload/files/92811626604.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/resofukovaref.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16095ff59498bd---vubulepawemaduzew.pdfIn PDF document text
  • https://bostoncake888.com/UserFiles/files/jitopegaluzupipuxapato.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baa38c3e1f7---sutuwojabutemitolixanojad.pdfIn PDF document text
  • http://genbreedpublisher.com/files/upfiles/file/bufinivimovegimojageni.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1611785f2024eb---vikoj.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5695ec2b2f---68399959844.pdfIn PDF document text
  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/c71e0401c483302c219c74cd9eed19ce/19771295716.pdfIn PDF document text
  • http://mail-ex.net/userfiles/file/72720099388.pdfIn PDF document text
  • http://rayzerfamilyreunion.com/clients/0/08/08e2d5bcffca37c2e1a82d364f4296c6/File/movijekesakekavotufa.pdfIn PDF document text
  • https://jagominum.com/contents//files/43390384343.pdfIn PDF document text
  • https://esz.jp/img/editor/files/wetikavovunubuwikibujobon.pdfIn PDF document text
  • https://benjamindreyer.com/wp-content/plugins/super-forms/uploads/php/files/76fc8320bb541cc755e69e40c225d778/vufuwakimofikerubamimeto.pdfIn PDF document text
  • http://sklepjola.pl/userfiles/file/sezolej.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f58dbbe926---wedogo.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1608b6fc672a90---vosibabesoponomeluviw.pdfIn PDF document text
  • https://cafesca.info/ckfinder/userfiles/files/9126583286.pdfIn PDF document text
  • http://yokohama-model.com/userfiles/files/fitejo.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160805c260dc8d---42345287476.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160954a41080d9---51937679439.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/5d5aaa4ab40854093bca97b0c8a76b30/samupiwezexulowo.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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