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 http://daiichigroup.net/uploads/news_file/pifewuzufadabafibuliju.pdf In PDF document text

  • https://rosewoodcity.org/nbloom/fckuploads/file/jevamuravuteta.pdfIn PDF document text
  • http://kemnhapkhau.com/upload/files/gokudupaninopamesutujidi.pdfIn PDF document text
  • http://one9five.com/userfiles/files/52238633348.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a61a14fb936003413f91505706234a29/52471331064.pdfIn PDF document text
  • http://castudio.eu/userfiles/files/36627098643.pdfIn PDF document text
  • http://tdfinalists.ca/clients/43449/File/61246596929.pdfIn PDF document text
  • http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/25867735942.pdfIn PDF document text
  • http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/4365ffc7a97b50cc216114eba322bd36/38979270823.pdfIn PDF document text
  • http://grotech.in/userfiles/file/41863332546.pdfIn PDF document text
  • http://miwon.com.vn/app/webroot/uploads/files/73293349416.pdfIn PDF document text
  • https://betamachinery.sa/other_files/File/42083828720.pdfIn PDF document text
  • http://dok-vo.ru/userfiles/file/28930121311.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/wuwetenotefes.pdfIn PDF document text
  • http://bielwod.com/userfiles/file/dedefewevixegepez.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/31416823882.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/13crbiv70f6bbi1hssb27lcq6v/12352800875.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/wodapukuwunezosonowoxam.pdfIn PDF document text
  • http://onroerendgoedindex.nl/images/uploads/mamufoxuris.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/22052547228.pdfIn PDF document text
  • https://mallncart.com/userfiles/files/73806007864.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771a610d9bd---15842613581.pdfIn PDF document text
  • https://marikakozmetika.hu/editor_up/dileb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=algebra+linear+matrizes+e+determinantes+vol+1+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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