Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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 http://premiumdrinks.eu/userfiles/xemulipo.pdf In PDF document text

  • http://progfin.pl/userfiles/file/59218833591.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/7405dbc0726207e40b677dd5a835b2c9/85105979710.pdfIn PDF document text
  • http://35ju.21tg.cn/uploadfile/ckeditor/files/34565059196.pdfIn PDF document text
  • https://cqc-material.com/app/webroot/userfiles/files/10619795228.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad4cf5f6d9---binuvejatabopadiguvon.pdfIn PDF document text
  • https://cafesca.mx/ckfinder/userfiles/files/85503197696.pdfIn PDF document text
  • http://dirpub.org/editor/ckfinder/userfiles/files/16483332703.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16138083923e56---jiputixanotugorevoxo.pdfIn PDF document text
  • http://daotaonhaccong.com/uploads/userfiles/file/vimekudazenutopojefeduk.pdfIn PDF document text
  • https://polresseluma.com/assets/ckfinder/core/connector/php/uploads/files/duxanowaluvu.pdfIn PDF document text
  • http://ministerium.pt/files/2705217420.pdfIn PDF document text
  • http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/luvofovov.pdfIn PDF document text
  • http://qdcmd.com/data/files/nonuwaritofemex.pdfIn PDF document text
  • https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/31161700218.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/94103251118.pdfIn macro / runtime command snippet
  • http://sochi-polyana.com/ckfinder/userfiles/files/59314014829.pdfIn PDF document text
  • http://adice-area.com/pictures/files/vadawezowawifibezo.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/bajileledejeremetedatawe.pdfIn PDF document text
  • https://sunriseinnjasper.com/nbloom/fckuploads/file/50857833949.pdfIn PDF document text
  • https://equator-maritime.com/userfiles/file/64922335306.pdfIn PDF document text
  • http://krajinar.cz/soubory/files/jegiba.pdfIn PDF document text
  • https://www.clinicaepIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=terraria+world+editor+mobilePDF 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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