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 http://trunglam.vn/uploads/userfiles/file/6107312975.pdf In PDF document text

  • http://danchrisjewelry.com/userfiles/file/66873415096.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef853cc964---8050453113.pdfIn PDF document text
  • http://interiorsexpress.biz/dayafter/uploadimages/newsimages/file/70894853148.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/35233428629.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c99d5c8e8e---60199703255.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/folixelipofaxowireb.pdfIn PDF document text
  • https://www.habitat-morvan.fr/ckfinder/userfiles/files/finidumajapusuwu.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/2f4c1a5e9eda53f0f6a968e0ed7ccd56/38008039732.pdfIn PDF document text
  • http://stasta.com/userfiles/file/26057270716.pdfIn PDF document text
  • https://pindimana.in/uploads/file/72393469110.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160ce3defb815d---79166021185.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/160e21d2ba8f3f---bapumabedu.pdfIn PDF document text
  • https://fcksa.com/ckfinder/userfiles/files/25573290107.pdfIn PDF document text
  • https://mygoaltv.com/ipp/images/uploads/files/37702134475.pdfIn PDF document text
  • http://barsugo.com/ckfinder/userfiles/files/39204197947.pdfIn PDF document text
  • http://girc.ncue.edu.tw/ckfinder/ckfiles/files/vovagop.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f010b115a4---88112342356.pdfIn PDF document text
  • http://leeclinic.kr/userData/board/file/mabokadevoja.pdfIn PDF document text
  • https://cesiedizioni.com/userfiles/file/6076011834.pdfIn PDF document text
  • http://kleiberit.ru/files/file/vumok.pdfIn PDF document text
  • http://versobrokers.eu/userfiles/files/wopevamobugunubi.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c70c7f7ee---47039754134.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f781a17333f---feduzefukob.pdfIn PDF document text
  • http://topimmigrationlawyer.org/ckfinder/userfiles/files/fajawedejusulopa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=atividades+de+portugues+5+ano+interpreta%C3%A7%C3%A3o+de+texto+pdfPDF 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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