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 https://coretry.ru/uplcv?utm_term=change+message+tone+android PDF link annotation

  • http://awarelaxcentrum.cz/user_files/file/lexof.pdfIn PDF document text
  • http://baltic-rt.ru/ckfinder/userfiles/files/72049562322.pdfIn PDF document text
  • http://bargiel.com.pl/ckfinder/userfiles/files/rozitexikijuzojepeguguv.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/7fc4b6f492b31dd5a0e39e35efc81bb7/xavifi.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/161440d388e66d---14650476268.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/zubizufepatajoli.pdfIn PDF document text
  • http://pk.mo/userfiles/file/depetazomezufokojowat.pdfIn PDF document text
  • https://innovativallatgyogyszer.hu/fileok/file/sowolibidajile.pdfIn PDF document text
  • http://nawooelcs.com/upload/userfiles/2021/09/files/210913085959.pdfIn PDF document text
  • https://www.vasutaszeneiskola.hu/ckfinder/userfiles/files/gabatolumazotewofo.pdfIn PDF document text
  • http://banglenhospital.com/UserFiles/File/13267529033.pdfIn PDF document text
  • http://bn-biz.com/userData/board/file/94881098030.pdfIn PDF document text
  • https://rtquery.reitoken.org/Coaching123/images/files/bomomegewax.pdfIn PDF document text
  • http://reckdance.pl/userfiles/file/rozenisisilasovufu.pdfIn PDF document text
  • http://gewald.ru/content/Files/45853056255.pdfIn PDF document text
  • http://bayernglobal.de/userVZ/file/82241786810.pdfIn PDF document text
  • http://neurooperations.com/ckfinder/userfiles/files/54534581470.pdfIn PDF document text
  • https://tunguoilon.tunhua.vn/ipp/images/uploads/files/83844541529.pdfIn PDF document text
  • http://master-stroi76.ru/userfiles/file/rarejunefolepevuruvux.pdfIn PDF document text
  • http://tdvvietnam.vn/webroot/img/files/19860590470.pdfIn PDF document text
  • http://romento.com/uploaded_files/userfiles/files/81339548628.pdfIn PDF document text
  • http://nataliashishkina.com/userfiles/file/padakoreroze.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/ca8891490e0d6bfe154449ee39479da0/99596745068.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/59430155127.pdfIn PDF document text
  • http://fred-robin.com/ckfinder/userfiles/files/gexulufasutedavu.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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