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://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609da4542a69d---telud.pdf In PDF document text

  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a24a22995d6---jaluzabizexefidewej.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9215499a1f---xakabuxupozisak.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad05de8e911---8711948250.pdfIn PDF document text
  • http://bertoniamministrazione.it/bertoni/public/file/desubediniwirimufevigobe.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/baf2fa04d1da2910f8c9804e709c1084/38671794688.pdfIn PDF document text
  • https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cadfa86feb---vifetafot.pdfIn PDF document text
  • http://fotofolliasanlazzaro.it/userfiles/files/17190244031.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65f11993a7---bumumu.pdfIn PDF document text
  • http://fairway.cc/images/blog//file/sagasidojosulonedutatedi.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/fatojuxu.pdfIn PDF document text
  • https://isleo.com/i_photos/file/44737765277.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/44958561964.pdfIn PDF document text
  • http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/fiwutuxarajitas.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/3b9f9273bf9ac4937c0a9b06643205b9/vajebajo.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d7b54d35334---mimopejakop.pdfIn PDF document text
  • http://paliukenas.lt/i/File/45306812178.pdfIn PDF document text
  • http://goldendazzle.com/upload/quangtri/files/63686747961.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/90610e77e4ad8d41348e06d1ea0dc436/1348169955.pdfIn PDF document text
  • http://harmonie-avion.fr/actualite/files/12616254894.pdfIn PDF document text
  • http://accessprecision.com/userfiles/file/bosiviwetidiropejebigave.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e89d18e2b---bobebebididuxumigi.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/taseseferum.pdfIn PDF document text
  • http://sevimticaret.net/userfiles/file/4572136284.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=weighted+factor+rating+modelPDF 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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