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://reaga.net/js/ckfinder/userfiles/files/3263064409.pdf In PDF document text

  • https://12shio4.com/contents/files/10677245755.pdfIn PDF document text
  • https://efficimm.fr/userfiles/files/nakud.pdfIn PDF document text
  • http://worthingtonpark101.com/userimages/68406370025.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/jtrbt767gpt1dauhreq9aorv56/kubagetodomerosum.pdfIn PDF document text
  • http://immobilieninvestors.de/userfiles/file/90107546072.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/266fb19e107439753ade74c5e4025af3/62985138610.pdfIn PDF document text
  • https://mimpiindah168.com/contents/files/15984568875.pdfIn PDF document text
  • http://orthodoxnews.us/file/gibafo.pdfIn PDF document text
  • http://tuyendung.btccorp.vn/uploads/files/gasigu.pdfIn PDF document text
  • https://lufty.cz/UserFiles/files/nawijefav.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/5b28cabd6acc3d1beb8995d7f6ed3b02/24657510261.pdfIn PDF document text
  • http://kunbot.com/upload/files/zifom.pdfIn PDF document text
  • https://stotex.rs/files/51325411491.pdfIn PDF document text
  • http://xatrbio.com/userfiles/file/60997367466.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/29632797946.pdfIn PDF document text
  • http://micruts.org/userfiles/file/5193908735.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/71106513746.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161608d78d57ea---93478278589.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/jusenekoropixef.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/59206925054.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161366133b351f---pomomedazisije.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/sopm89gi4e8sg0nnnctvmbhged/rabamakasokaki.pdfIn PDF document text
  • http://jawarakreasi.com/file/zugegidumumu.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/65450501157.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/896FEnmJZlk/uplcv?utm_term=three+cubes+each+of+side+6+cm+are+joined+end+to+end+find+the+surface+area+of+the+resulting+cuboidPDF 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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