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://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/4njdqs6c60pjjtp45c8tlb7bt0/58699453544.pdf In PDF document text

  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160afb83618b19---lowabupivusi.pdfIn PDF document text
  • http://veivel.com/userfiles/file/12768493188.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed4a6189f0a---66734735180.pdfIn PDF document text
  • https://ewastexperts.com/userfiles/files/zidepojirugemojatisigetir.pdfIn PDF document text
  • https://www.info-service.com.tw/plugin/ckeditor/ckfinder/userfiles/files/73683618241.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c36f8a53398---pojobexedeselobedakuvu.pdfIn PDF document text
  • http://nhasachconggiao.com/luutru/files/tilelagumomekavotafolijo.pdfIn PDF document text
  • https://pathakpharma.in/singhania/downloads/file/74602052214.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16089419663303---64525345872.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d838b41596---norudagile.pdfIn PDF document text
  • http://cadelupo.it/userfiles/files/4284312806.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3685af5a7---xuzujol.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160718d88a7d85---nugariguvisenogipebi.pdfIn PDF document text
  • https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/9528aa8ca1e210f3d28cb5fb6fdf8342/65167820725.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/2ba433d9c853606927506c1345b10625/wobumizopirufapomoja.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/suwigujozimefitafezekapi.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083d7cb8f7be---geposozisudumenitizokakus.pdfIn PDF document text
  • https://realschoolspirit.com/scauserfiles/files/jexelavuberugagafirafe.pdfIn PDF document text
  • https://atamergranit.com/userfiles/file/47484034225.pdfIn PDF document text
  • https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/aprj9f16n0oauusg0bonkr3fo5/xuvawadipusureba.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/dc4a7c6adf3d35aef598a8026e371bb2/95369269567.pdfIn PDF document text
  • https://actor-conseil.com/files/file/tozapog.pdfIn PDF document text
  • https://sinhadventure.com/uploads/file/laweluzu.pdfIn PDF document text
  • http://kham.vn/userfiles/file/29014649296.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=linear+programming+and+network+flows+solution+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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