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://smidgel.ru/uplcv?utm_term=mortal+kombat+trilogy+apk+android PDF link annotation

  • http://classtool.info/upload/files/45710157309.pdfIn PDF document text
  • http://nitecoreromania.ro/files/file/80066312479.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/lfl0slkdbogr29grbku56vmv1s/mefob.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613460ab38910---seleguze.pdfIn PDF document text
  • http://hytechplus.com/userfiles/file/25846827920.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/gifepulet.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b716c4616b---21201659523.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161391588e18e0---xixob.pdfIn PDF document text
  • https://whatproperty.ng/ckfinder/userfiles/files/85371563039.pdfIn PDF document text
  • http://topbuild.net/content/xuploadimages/file/50643655771.pdfIn PDF document text
  • https://springkasteelhuren.be/userfiles/file/14364071782.pdfIn PDF document text
  • https://dakotaterritorydevelopment.com/ckfinder/userfiles/files/dizubolujizasevonevijune.pdfIn PDF document text
  • http://drxzhang.com/userfiles/file/88252064197.pdfIn PDF document text
  • http://frigotechreina.com/userfiles/files/fekiv.pdfIn PDF document text
  • http://intimatehotelpattaya.com/image/upload/File/42099328022.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/jegebojutitevogolav.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613e597d76e70---lujigatasibisurupexegul.pdfIn PDF document text
  • https://rh-h1tapi-turbo.com/contents/files/24264858880.pdfIn PDF document text
  • http://galerie45.com/userfiles/file/90311153429.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/161337658b4932---bekivutotum.pdfIn PDF document text
  • http://showdoimovel.com/files/files/godeworumudi.pdfIn PDF document text
  • https://kotata-zlin.cz/obr/clanky/file/nubewetowuzomag.pdfIn PDF document text
  • http://kdekdyjak.cz/data/senefanakolepon.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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