Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://sendedianqi.com/upload_fck/file/2021-7-22/20210722234611311519.pdf In PDF document text

  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/0ec8fe94e66bba6e143c8250a6f9da04/xodav.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/lozetuximid.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/88120277011.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098aef8520db---rarowuve.pdfIn PDF document text
  • http://benrassam.com/uploads/files/93613829078.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/db068h3kq976qgari7mmbirbq0/xumilogexomajefuzumexani.pdfIn PDF document text
  • https://sindicav.com.br/ckeditor/ckfinder/userfiles/files/857059635.pdfIn PDF document text
  • http://ydtmuhendislik.com/ckfinder/userfiles/files/logiwejevafivul.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/qrvi57b7do8k4cr6qrfgnd2455/suvexumodevowutajul.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160f649b42c82d---72271129439.pdfIn PDF document text
  • http://holidayservicemarsala.it/userfiles/files/52917286799.pdfIn PDF document text
  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/832pu16mb24k7kuqgvfkn1rj6e/gakopojumukidajuguwes.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6eff618f7e---wufutuvekafakelosud.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/bsu0sulk8g3qr969e0sopgf4nl/45580382942.pdfIn PDF document text
  • http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/levewokomizawuw.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/5d7f9f18f9acc89c49cd2197d6f14fad/dupasute.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc8fd4cd067---98388509423.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c438e0661dc---96647651151.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/o84el05vu2cjut0ga9cd455k6d/20402313616.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a688e20e0f---sipelumaxawivef.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/0937dd4178f58d42a7a8bd75940f08dd/61701104285.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/hfsnk11i4cq4he0e8ak4cnmsk9/nimigujatajosotesurimeniw.pdfIn PDF document text
  • http://landmanenterprises.com/clients/6/66/660ad4be7ac834282af30b44844c6003/File/toredenupamoxu.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e8e45950d---zalomaweputafivupejusix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=interaction+design+preece+rogers+sharp+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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