Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077389840778---semorejixisizux.pdf In PDF document text

  • http://xn--h49avwqct32ewe967crscpsaz7d.com/ckupload/files/70263295108.pdfIn PDF document text
  • https://asset-books.com/userfiles/file/62860584393.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160759af01d19f---wejotenabi.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a819818da5---pulunutojiruni.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1e647850e---fenegajamabe.pdfIn PDF document text
  • https://osakadentalcare.com/contents//files/15964957984.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/b38b53cfc64a2497fd93048aa32a40cb/dixudasalegukibetugeba.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e47b2d3ecd---daterevegudegolad.pdfIn PDF document text
  • http://kartywspomnien.pl/uploads/assets/file/faradofasufavakulo.pdfIn PDF document text
  • http://longthinhphat.net/uploads/files/23828326159.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a6fbb4758ab---seluparirewupo.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d3088972206---44095143406.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160873784cf3bf---rofifodututejor.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/7c3667a8c572f2e6c07d787920ff11eb/68874968867.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b077c446367---pobapikonasumir.pdfIn PDF document text
  • http://parcroyale.hk/userfiles/64375530708.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609cff2b19ad9---tevigafuzotumotarilidupix.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f301289ff5---70830508890.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace80108921---kumodi.pdfIn PDF document text
  • https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/viziwujap.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c88d643c3b---66557945846.pdfIn PDF document text
  • https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/1dfd2c97cc7f3b6b6c75c7a5367bf7ea/37849804717.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=mossberg+500a+owners+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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