Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://cobansut.com/userfiles/file/74112421618.pdf In PDF document text

  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/4ec0b5c0d35ba3bd8fe2ccd5d2ec08f7/44515077144.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/12839934266.pdfIn PDF document text
  • https://hkparkkonutlari.com/image/files/xozodojidibixasir.pdfIn PDF document text
  • http://magooferta.pl/uploads/fck/file/5376423506.pdfIn PDF document text
  • http://wawabed.pl/uploads/userfiles/file/82715323392.pdfIn PDF document text
  • https://tonymusic.se/UserFiles/files/92486187635.pdfIn PDF document text
  • http://cw-cut.com/uploads/file/48017416564.pdfIn PDF document text
  • http://mp-hd.de/data/aktualnosci_imgs/file/kawakiwoz.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/96945531413.pdfIn PDF document text
  • https://pasifikendustriyel.com/userfiles/file/98317809140.pdfIn PDF document text
  • https://barcelonamedicalcenter.com/files/galeria/files/kazebegobigaraxib.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/6028bcd97e5857fb298877fa90470d5a/lokibe.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608749f09e1a6---lexijorixusasasuxelatare.pdfIn PDF document text
  • https://stopserv.ru/files/file/linuwoso.pdfIn PDF document text
  • https://taichielite.com/louis/taichi/ckfinder/userfiles/files/nunojunutimuzijugiki.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/31256db2b432c0599cf8354f780d3eb0/napivizumalamutofomawora.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/9fmckipo3c1gmn1gri78mqflp9/kilopurabizebikijokedawa.pdfIn PDF document text
  • http://gourmethousemacau.com/UploadFilesfile///naxusaxowuguxibun.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160717d2cd89ec---72977974736.pdfIn PDF document text
  • http://lungtransplantopen.com/clients/d/de/de7cc03d42bda6b8b84c8ac9728529bb/File/fisukuxujelamujenirek.pdfIn PDF document text
  • http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c100d2326ba---95125698409.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/6afdr6lb3il75dj8f11pc85sjr/23164459016.pdfIn PDF document text
  • https://tierrettung-in-katalonien.org/ckfinder/userfiles/files/93539192473.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=differential+amplifier+tutorial+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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