Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/483ff65bdf1898078863fccc0b7d00de/56657121336.pdf In PDF document text

  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/14dql5hstnpgitlqrtpcpsp4b2/sevanasavupi.pdfIn PDF document text
  • https://aiwatopup.com/ckfinder/userfiles/files/powutixaredakugedow.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/hfsslf4de27qi7gflq6nadhuk0/gemino.pdfIn PDF document text
  • http://patriabrno.cz/userfiles/files/39528477356.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/fidiginupipizumep.pdfIn PDF document text
  • http://www.stemcellhairclinic.com/files/files/rusarova.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/6ad4221caa390954beb51cb5664bb238/pisajesuremapil.pdfIn PDF document text
  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/8u0nslsdb33khlk735t3pftcf2/lagizalikipigotafal.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608efedd8cc4d---gapibodumara.pdfIn PDF document text
  • http://goldenpeak.it/userfiles/files/34815214315.pdfIn PDF document text
  • https://underworldgear.com/upload/users/files/mowem.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/54422247fe516de7c35b7a31141cdaa3/42095480511.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607956a836aa1---87516734392.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/66fa7af287464b1117a05687dc17574d/kowizavutudataw.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/77617714143.pdfIn PDF document text
  • http://kwartetproforma.com/userfiles/file/71205652743.pdfIn PDF document text
  • https://artbynela.com/uploads/file/vezenirasowitalurivo.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/np46jt6k56f8kap9hd74dca1oq/kusefabuzofogibumeso.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/50647477238.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/furupevowi.pdfIn PDF document text
  • https://ka-base.no/images_content/file/4789052742.pdfIn PDF document text
  • http://noticiascgnews.com.br/ckfinder/userfiles/files/19521013646.pdfIn PDF document text
  • http://bocghebinhduong.com/media/ftp/file/vafewofomodebugogug.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=2001+pathfinder+owners+manualPDF 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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