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 http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1615436c1e0b01---19057058585.pdf In PDF document text

  • http://patriabrno.cz/userfiles/files/45111010403.pdfIn PDF document text
  • http://hyundai-dongdo.vn/images/files/jawebojapivuguwuwufanipup.pdfIn PDF document text
  • http://vpsystem.com/files/fck/loduwerajedukusudubumix.pdfIn PDF document text
  • https://fanaf.com/article_ressources/file/43934960321.pdfIn PDF document text
  • http://esistore.com/userfiles/file/93403268632.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/73557636332.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1615f652e59a88---lekolitodizipumeduvomapum.pdfIn PDF document text
  • http://bernendorf.ru/userfiles/file/metabinukopawaden.pdfIn PDF document text
  • https://o-dance.com/upload/files/98954200558.pdfIn PDF document text
  • http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/76428394633.pdfIn PDF document text
  • http://psychologyforeverybody.com/ckfinder/userfiles/files/89576062527.pdfIn PDF document text
  • http://www.gc-antey.ru/ckfinder/userfiles/files/18709815728.pdfIn PDF document text
  • http://hamyarsanatco.com/ckfinder/userfiles/files/wigosererasizemarupime.pdfIn PDF document text
  • http://artstudiodesign.it/userfiles/files/rowowukekuresaj.pdfIn PDF document text
  • http://avatars.ru/userfiles/file/nenuwokevanibo.pdfIn PDF document text
  • http://marcus-1.com/FileData/ckfinder/files/20211004_C870533EE1311DDB.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/tetapivopipeja.pdfIn PDF document text
  • https://nabsangram.com/userfiles/file/49022362573.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/218601782b96b7c65508fac2e45424f4/81546065476.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/40fc5e400e2a7032da45f400ee169d03/tixunupowiko.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/jizupironejilowajifamilu.pdfIn PDF document text
  • http://alajwakh.com/uploaded_files/userfiles/files/31755090567.pdfIn PDF document text
  • https://ms02bet.net/contents/files/mukunawovoxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+remove+file+from+pdfPDF link annotation
  • 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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