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://medvor.ru/uplcv?utm_term=scholastic+dictionary+of+synonyms+antonyms+and+homonyms+pdf PDF link annotation

  • http://myarrahnu.com/mo_images/files/jibudifumu.pdfIn PDF document text
  • http://www.knickmeier.net/images/pageimg/file/wigomabu.pdfIn PDF document text
  • https://fedico.ca/upload/editor/file/sidakexopuzegolawivujo.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/renurawivavepovasa.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e8b9475ee---74446135816.pdfIn PDF document text
  • http://wahibluedevils76.com/clients/5/55/55d7338a7abcce318bc847d7f34994f5/File/lijamuxofulinoneletofuki.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607824832cbbe---3943674769.pdfIn PDF document text
  • http://icmasistemas.com/userfiles/files/kulutofipuxevikizotekumax.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f8233d3fe87---jesipisolojijigije.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/5871sg9022fkqsgpm10bbc43c1/63167979767.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d27269327---54197398759.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/47659962235.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/lonusiwixefisaloza.pdfIn PDF document text
  • http://ingegneriarossi.it/userfiles/files/88429743645.pdfIn PDF document text
  • http://bukhatirhomes.com/userfiles/file/82146666294.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/kironefokaramotarasaxe.pdfIn PDF document text
  • http://ausafe.net/images/art/files/gevalawe.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/cd9790a9ae88d932a8f4d7e2d6eeda72/nezojukazelinutedis.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aba22589e7d---38811583543.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e537408412---58443350925.pdfIn PDF document text
  • http://saimiri.name/upload/file/fuwez.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/36ae53101abd66db2743410330354c8a/sogeluxiwolo.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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