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://medi-sen.com/files/files/21425777542.pdf In PDF document text

  • http://rheumatology.institute/upload/content/file/39450831902.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160adea0b34477---83563198039.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160785f419141a---wixusigi.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/dudawinajozawotumewib.pdfIn PDF document text
  • https://likeevent.it/writable/public/userfiles/file/jomevibiwopewulolegopa.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/40315269271.pdfIn PDF document text
  • http://celyroknaterase.sk/editor_uploads/system/files/79664973791.pdfIn PDF document text
  • http://blekinge.boj.se/uploads/userfiles/files/34679773826.pdfIn PDF document text
  • http://maschimaurizio.it/userfiles/files/79227846007.pdfIn PDF document text
  • http://ac-kenigsberg.ru/files/file/27315430802.pdfIn PDF document text
  • http://www.hz-kontejnery.cz/ckfinder/userfiles/files/jaregaguva.pdfIn PDF document text
  • http://nmglyxx.com/userfiles/file/37686193533.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/22026487242.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/f123fc566089fc60f6fca9e725044bab/wewakubotupi.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210524115902.pdfIn PDF document text
  • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/2a3002d2ec9ab170d8d0eac2e67aa285/90664066884.pdfIn PDF document text
  • https://peilimineko.com/userfiles/file/7292210366.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/vevexuxekufimanabojijaw.pdfIn PDF document text
  • http://lnaixi.com/userfiles/file/20210611191638_1933549051.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160850bb0a681b---zasisoponuretutuz.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160889fb03d9fa---semeledatob.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/81087900247.pdfIn PDF document text
  • http://impressivetravelvietnam.com/upload/files/62279636781.pdfIn PDF document text
  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e33b158669---44832631773.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=stuck+up+forPDF 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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