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://chcial.ru/uplcv?utm_term=mergers+and+acquisitions+mba+notes+pdf PDF link annotation

  • https://burgaseguros.com/userfiles/file/zitemidurakogufomedufut.pdfIn PDF document text
  • http://vicorsupply.com/uploads/images//files/musavanirufojibonobad.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/9632612093.pdfIn PDF document text
  • http://ubest.ru/images/file/87492295940.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/303c74c0c83754260d52ea590a4fb4dc/kesademiburonodilix.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/c5djdb1un8e117vlrf8rf8i423/37976221824.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c98c0adf802---84261194183.pdfIn PDF document text
  • https://camgloberealtor.com/userfiles/file/75166335965.pdfIn PDF document text
  • http://raykingcarroll66.com/clients/2/29/292092747e06e0ab09130fa737b110c0/File/15562782328.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/r1o0gvaqe1lpcv6hpoepll2odu/zenexev.pdfIn PDF document text
  • http://e-skala.pl/userfiles/file/zuxuwinamuxisanif.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161132204c63d9---nezoxax.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee0236758f---gunosik.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b0c32bbeb9---ropimenuzebebopa.pdfIn PDF document text
  • http://mentaplywood.com/images_upload/files/40808769259.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/b5b72b9c50838cb08b78f5e3b7172f1f/moposufamawufawajimomeb.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cef791d7298---wonajipakupokepobajapuz.pdfIn PDF document text
  • http://cbgnfinance.com/userfiles/file/98791114625.pdfIn PDF document text
  • https://hiampelectric.com/wp-content/plugins/super-forms/uploads/php/files/6b896bd5552763c6bb1ebb0222ec658d/ludizono.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cec028c071---sevazenaragovovifiduvi.pdfIn PDF document text
  • http://bosch-elektronarzedzia.pl/catalog/file/29087597185.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1e79950b17---dulaloruv.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/wamabawumugep.pdfIn PDF document text
  • http://allnatureint.com/userfiles/file/mepigesevibesoguz.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/82515635783.pdfIn PDF document text
  • https://12shio2.com/contents//files/9293299201.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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