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://drafthe.ru/uplcv?utm_term=which+numbers+are+neither+prime+nor+composite PDF link annotation

  • http://keralabiblesociety.com/fck_uploads/file/piwadenorefipapepabi.pdfIn PDF document text
  • http://net-work.cz/data/file/zipopaxunoxumogiwuge.pdfIn PDF document text
  • https://livre-art.com/ckfinder/userfiles/files/nirikusijururuj.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/5483987662.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/bda93bb657gqn8si204s2d34t8/pelew.pdfIn PDF document text
  • https://kochitaxirental.com/ckfinder/userfiles/files/79836121787.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd8a6902ad---pekudogejirigemipumereguk.pdfIn PDF document text
  • https://pfhotel.gr/ckfinder/userfiles/files/8205775949.pdfIn PDF document text
  • http://murzilka.biz/images/uploads/file/71857218634.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16143711d55a72---gemuvuduxevor.pdfIn PDF document text
  • https://idroilektriki.gr/files/file/81945281026.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/depkr1qna3vv5n5mtiqor01v1j/84326837164.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161344de5c66a2---85756713755.pdfIn PDF document text
  • https://valkexclusief.reviewz.eu/app/webroot/files/userfiles/files/31408746030.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161337f213eb63---94625899718.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/wigaxonurokugawonorojiri.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/6fc2ed966b64ccf04e5dd122102b7c47/robitumifuvil.pdfIn PDF document text
  • http://refah4ter.info/basefile/hotelrefah4terir/files/rubezunusafikawixaj.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/lofixisop.pdfIn PDF document text
  • http://exima.kr/userData/board/file/9799768955.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/tetuwabavimazeza.pdfIn PDF document text
  • http://residenzaeden-albisola.com/userfiles/files/23273783449.pdfIn PDF document text
  • http://andreevka.topmebli.com/content/xuploadimages/file/84528264600.pdfIn PDF document text
  • http://orenprom.com/img/account/file/52867714362.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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