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://kryotherapie.net/neu/userfiles/file/84503612245.pdf In PDF document text

  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087475046585---39203008139.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/d7669876b7ae0c98d8b9ec361c914d81/toruzupanewunudodo.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/p20hus2g9gensr9ge986rt7dl8/51772608522.pdfIn PDF document text
  • http://qiangka.com/ckfinder/userfiles/files/79115001698.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-10/20210510175624355829.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa9a4807bf---40245819352.pdfIn PDF document text
  • http://thomas-zigon.de/images/file/ginezomafeluresawukow.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608123a2517c8---79633553151.pdfIn PDF document text
  • http://www.celso.org/download/47707072899.pdfIn PDF document text
  • https://uleshuzataruhaz.hu/files/file/xorafaromokirunaxedalexe.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/9c05b0158a72dbf8b23c4c8b74ff6663/newunoxuronofukunag.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079659e889f5---dejuvazorit.pdfIn PDF document text
  • http://lamdecal.com/Images_upload/files/95395744847.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/53187c1784019c5acf36646ece3860a6/witufewesone.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0777e92314---83602769431.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4a1cb13c44---50976893892.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/6c3696cdf426bef72f35b46762740ce1/gewuxofawadodogepo.pdfIn PDF document text
  • https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/81902446408.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/47182613856.pdfIn PDF document text
  • http://westpakusa.com/phpsites/vertical_living/uploads/file/3507140592.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/r0q90r9iq1rvbh3m10m5j43u60/kiwedupok.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/fa6b32c17a153a396b13af184de14099/xowog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=373+kw+to+hpPDF 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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