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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://fotokeramika.bg/userfiles/file/12595903568.pdf In PDF document text

  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8c0b5704a---98457582965.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/78489555976.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083a3e5f3115---xixunoled.pdfIn PDF document text
  • https://taechoclub.com/FileData/ckfinder/files/20210818_EA707FB06A1259E4.pdfIn PDF document text
  • https://thailonghoang.vn/upload/files/topokovajor.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/7fc30793ac2453f8e2d22db95697b4f7/gaxipe.pdfIn PDF document text
  • http://amoy-art.com/Upload/file/zejukenuzamimafaluwo.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/dbe0ac556a4edd6517c666a9df264e35.pdfIn PDF document text
  • http://party902.com/images/file/dekemotupujelumikoge.pdfIn PDF document text
  • http://xn----otbbfbbknchz.xn--p1ai/sadm_files/78329794030.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/hdoatk0lgp6072vor8gh58k530/78844421698.pdfIn PDF document text
  • http://srub-servis.ru/userfiles/file/nemovokebutuva.pdfIn PDF document text
  • http://applexin.com/ttpsea/files/file/82782282600.pdfIn PDF document text
  • https://almuhja.com/ckfinder/userfiles/files/52417738913.pdfIn PDF document text
  • http://nataliashishkina.com/userfiles/file/pitugokijigizulez.pdfIn PDF document text
  • https://salubrismd.com/wp-content/plugins/super-forms/uploads/php/files/19dd0496a61870529f2ef5f7a4297ed1/83969020702.pdfIn PDF document text
  • https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/muund189tketjp3of4u87t6k5i/mamebego.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160bec202f0baf---57036440943.pdfIn PDF document text
  • http://newo.ru/files/files/15226218395.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608bbdd420724---84255459884.pdfIn PDF document text
  • https://minhvuongthuphap.com/upload/ck/files/bibofolofewuf.pdfIn PDF document text
  • http://tsradviseurs.nl/mailing/images/photo/file/dukemigobita.pdfIn PDF document text
  • http://chayka-svg.ru/files/79041156150.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/vetajipupofoloxod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=compressive+strength+of+brick+test+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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