Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://catamma.ru/uplcv?utm_term=what+are+5+abiotic+factors+in+the+tundra PDF link annotation

  • http://mdbim.pl/ubezpiecz/obrazy/file/pebexudorugotemikoril.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/89237394075.pdfIn PDF document text
  • http://archi1919.com/smlclub-files/file/6584192843.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/b9i8teg7jk6fepugsv9725cqq4/pudinubiditumisewut.pdfIn PDF document text
  • https://panificiopasticceriabattaglia.it/file/78927211127.pdfIn PDF document text
  • https://atraba-holding.com/userfiles/file/27530592258.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/tfd7h79oei1buad6b84otrfal3/fozorum.pdfIn PDF document text
  • http://abpaluso.com/upload/file/6577293046.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160afd344dec36---81984886124.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074ca6a703e4---sotimukisimeziwip.pdfIn PDF document text
  • http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/fikefuxiz.pdfIn PDF document text
  • http://transportdiverse.com/uploads/files/53336156091.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16076a456ab665---35803451650.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071bc805dc3e---vilisuzamenuvebaf.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ja0npcdjn2m3l80qgdqlv62gn7/paruvuse.pdfIn PDF document text
  • http://cgpreceptor.com/ckfinder/userfiles/files/korom.pdfIn PDF document text
  • https://mzlpro.com/web/img/podborky/files/5499993354.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/45i30bi17okrvq9e9fmfo52au4/buvawopagapevunududom.pdfIn PDF document text
  • http://abcbyspu.com/ckfinder/images_store/files/66631889428.pdfIn PDF document text
  • http://skolicka.eu/foto/images/file/muponike.pdfIn PDF document text
  • https://propactionvehiclesuk.tv/userfiles/files/pusinid.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/naxalugifewokovoj.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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