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://krisoc.ru/uplcv?utm_term=incineration+process+in+solid+waste+management+pdf PDF link annotation

  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b740a5a2ce5---54319694545.pdfIn PDF document text
  • http://alternatifmedikal.com/img/userfiles/files/18160648523.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e7dd9ee98---27658040032.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/13f0de983ccbd740e7d9f6a6528e3250/58582336984.pdfIn PDF document text
  • https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf58492792---23328249946.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/8101557886.pdfIn PDF document text
  • https://repare-ton-smartphone.com/userfiles/file/guvuxexisotutowizuxor.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/h1dg69gjkvc6pidoiaqelpu8g1/21570332926.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16082988348c66---54196455954.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a98af8ccc88---narosovizabaliru.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6bc37766f---30121589501.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/xidetezatolavuz.pdfIn PDF document text
  • http://artechq8.com/beta/uploads/files/93765729368.pdfIn PDF document text
  • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/77bd506dc0cce0707a2d177ff3e701e4/poluxovagixigajura.pdfIn PDF document text
  • https://sofahatinh.com/upload/files/79725760277.pdfIn PDF document text
  • https://ewdel.cz/ckfinder/userfiles/files/wetisematoxetowemif.pdfIn PDF document text
  • https://agronlogistics.com/userfiles/files/36470578050.pdfIn PDF document text
  • http://firesecurity.sk/userfiles/file/2944925794.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16126e0f3b974f---27553553553.pdfIn PDF document text
  • http://winfielddeli.com/ckfinder/userfiles/files/13665608122.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///25306222784.pdfIn PDF document text
  • http://szkolaprywatnaleszno.pl/userfiles/file/50520805873.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/50284741913.pdfIn PDF document text
  • https://easypayindia.in/userfiles/file/nodasudifajavokexumarug.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608948fceb0af---12470131169.pdfIn PDF document text
  • http://ipceurope.eu/assets/file/21761503679.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608667f41a2d9---1155702207.pdfIn PDF document text
  • 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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