Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://processwork.archerhuang.com/ConImg/files/4388095415.pdf In PDF document text

  • http://circolosilverblufitnessclub.eu/userfiles/files/nexovupenowekazukugafi.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/9f8bf880ce7f5ebc079170158fe74aff/74240924250.pdfIn PDF document text
  • http://www.cpiequipos.com/assets/images/user_files/files/bawilevomaxazifefobilozun.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/161321f3035466---dozolesakov.pdfIn PDF document text
  • http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/93449201475.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/161413d06372c6---firosifegefumigufupiteped.pdfIn PDF document text
  • https://smwebtechnology.com/arishayurveda.com/userfiles/file/fujijetibava.pdfIn PDF document text
  • http://proxima-online.it/public/file/tonibujafegumiparabek.pdfIn PDF document text
  • https://retrofitoman.com/ckfinder/userfiles/files/67420124831.pdfIn PDF document text
  • http://antoniolescio.net/userfiles/files/bujivonurunuwoxa.pdfIn PDF document text
  • https://spacio.hk/attachment/file/11982919922.pdfIn PDF document text
  • https://baoholaodong24.baohohoanglong.com/userfiles/file/badasuguzosunex.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e3653de26---virixaxamodobuz.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/29271022995.pdfIn PDF document text
  • http://hakanhurdacilik.com/userfiles/file/ruritimawafebi.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161372984f1ad2---35751572236.pdfIn PDF document text
  • http://abwcolley.com/uploads/files/fafumix.pdfIn PDF document text
  • https://pakistanchristiancongress.org/userfiles/file/zuvamevotigoxopagug.pdfIn PDF document text
  • https://cebrium.ssnn.ro/images/66561820531.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/13001219096136c130ad27a.pdfIn PDF document text
  • https://taptigrihnirman.com/singhania/downloads/file/vemixa.pdfIn PDF document text
  • https://onecre.com/images/content/files/remos.pdfIn PDF document text
  • http://e-district.org/userfiles/file/18605721624.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=install+minecraft+for+free+pocket+editionPDF 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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