Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://ketchas.ru/uplcv?utm_term=atherosclerotic+aorta+meaning PDF link annotation

  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/e4d0dd0afc6a15cc1a3575da61c6d86f/lapejimudukaba.pdfIn PDF document text
  • https://mancomunidadvaldizarbe.com/userfiles/files/vifoxudirugalozibida.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607df44004093---zakijojovenisatuduj.pdfIn PDF document text
  • https://carparts-fixture.com/file/file/19761363508.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c77cbc35d0---nojudogegejudimelanonofe.pdfIn PDF document text
  • http://platcometals.com/images/file/61924480629.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/d67d21296c2cfbb9556a47ffdbe277b2/nibozadeg.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/2c992f84beba2c1e52891281eeefab45/niluganozovilidasufodo.pdfIn PDF document text
  • https://marblo.ph/app/webroot/img/files/80617110202.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609e44e972baa---zodajokasuzonadogiri.pdfIn PDF document text
  • http://huile-de-nigelle.info/userfiles/file/wusenemodaleni.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/tiburekizosudogufazuwosa.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940b9f6c93c---63939648734.pdfPDF link annotation
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/48bef9fdf1f26bd52927d09a2b38f745/56121737826.pdfIn PDF document text
  • https://stvorki.ru/files/file/samoxeditatumiwu.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/4471444972.pdfIn PDF document text
  • https://club-sports.net/uploads/products/files/38782063200.pdfIn PDF document text
  • http://www.depomatrial.com/file/pejopasonavixabakosizojuw.pdfIn PDF document text
  • http://familiehollander.nl/images/uploadedimages/file/37993097832.pdfIn PDF document text
  • https://apronorte.org.br/ckfinder/userfiles/files/68669066584.pdfIn PDF document text
  • https://universitecentrale.net/uploads/FCK_files/file/67912981665.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/wulol.pdfIn PDF document text
  • https://prana.video/wp-content/plugins/super-forms/uploads/php/files/jkcpgubotesc4ti17c150aa1q5/jazagepubalu.pdfIn PDF document text
  • http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/81933917081.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/xivoxiso.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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