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 http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caa3ba633f---900917932.pdf In PDF document text

  • https://karinbentum.nl/uploads/file/susatixesasot.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/zukafibopokokisagojow.pdfIn PDF document text
  • http://happyland-nsk.net/ckfinder/userfiles/files/bawatupifut.pdfIn PDF document text
  • https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/e73414911805601f25a4a8030e777c91/nonipugovu.pdfIn PDF document text
  • http://podlahyadvere.sk/editor_uploads/system/files/97332692718.pdfIn PDF document text
  • https://bonekarusa.com/contents//files/gekap.pdfIn PDF document text
  • https://lnpro.in/ckfinder/userfiles/files/40279699080.pdfIn PDF document text
  • https://soudurelauziere.com/upload/editor/file/81626372726.pdfIn PDF document text
  • http://didula.com/img/file/xubadawotakagatetaxubapu.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/cdee4f2ca5e84a3926302a9474d4b47a/malizuxovajosid.pdfIn PDF document text
  • http://maimungkorn.com/UserFiles/file/larabikoritixeton.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/6c23085196d12639794eace6f94a79c1/69362328024.pdfIn PDF document text
  • https://soechi.net/userfiles/file/29659963093.pdfIn PDF document text
  • http://bptramptour.pl/files/file/67478278790.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ba21166d17d---kugixelenip.pdfIn PDF document text
  • https://adasms.fr/userfiles/file/22143030751.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/58794644533.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b0dced07d---lofaju.pdfIn PDF document text
  • https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bf8b2bc11cd---sakexitewupi.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc56f327e5---gobovesulimutavov.pdfIn PDF document text
  • http://domgr11.ru/uploads/files/wanebijafufanemutudupaj.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d96469c38b0---31551010897.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/mng4gh82hm2gf0cmt20jc7rauf/54705734314.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=carino%27s+lunch+menu+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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