Malicious PDF — malware analysis report

Heuristics 5

• 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://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/d945bdde9bdffb9003df08607abc9e32/84385943234.pdf In PDF document text

  • http://togclick.com/media/userFckfiles/file/81218147311.pdfIn PDF document text
  • https://terminarz.online/kosmetyczka/krakow/files/xaregul.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161421630ebc73---bavevexatoju.pdfIn PDF document text
  • http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/fudugofojulive.pdfIn PDF document text
  • http://omni-links-europe.com/images/blog/file/juvanumexosugozedilibiv.pdfIn PDF document text
  • http://nanoservice.cz/upload/file/38734917049.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354c7eb821b---fupusumor.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/1281592677613ded09537b9.pdfIn PDF document text
  • http://enjoybowlramenandpoke.com/uploads/files/14718155543.pdfIn PDF document text
  • https://esperanzadeavila.com/fotos/file/78275277513.pdfIn PDF document text
  • http://etabetasurvey.com/userfiles/files/30325959265.pdfIn PDF document text
  • http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/kafarekotopa.pdfIn PDF document text
  • https://ibshospitals.com/userfiles/file/bajivajebupome.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/bb9816084e560b26e71b0dc67af6bf85/sefaxivowufasino.pdfIn PDF document text
  • http://1hozain.ru/files/userfiles/files/71313917600.pdfIn PDF document text
  • http://kool-house.com/upload/editor/file/25017920265.pdfIn PDF document text
  • http://back2wood.de/userfiles/file/79501089174.pdfIn PDF document text
  • http://usmleworkout.com/files/file/21592747411.pdfIn PDF document text
  • https://penmypoem.com/new/admin/uploadfiles/file/94796777925.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16145ce8e46e64---fusibagixutaj.pdfIn PDF document text
  • http://hugslock.com/app/webroot/img/files/98911864105.pdfIn PDF document text
  • https://lawrenceyezersky.com/userfiles/file/17267450411.pdfIn PDF document text
  • http://rintoyo.com/userfiles/file/60980108815.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613607749dce7---dozewezuvupubezugej.pdfIn PDF document text
  • http://midospa.com/upload/files/10760061129.pdfIn PDF document text
  • http://bjqyms.com/filespath/files/20210919023309.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=completing+the+square+a+levelPDF 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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