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://drafthe.ru/uplcv?utm_term=distinguishing+fact+from+opinion+pdf PDF link annotation

  • http://sancheonglittletheaters.com/upload/userfiles/2021/07/files/210716133448.pdfIn PDF document text
  • http://anandamsanyal.com/userfiles/file/tuvuzirorifevapolijawufo.pdfIn PDF document text
  • https://iphonerepairservice.nl/app/webroot/files/userfiles/files/56240920535.pdfIn PDF document text
  • https://giustofiori.it/file/40432525233.pdfIn PDF document text
  • http://whscardinals1963.com/clients/9/9e/9e5fab02d16e7113a74bdd4e7828f974/File/xumatakagabawanas.pdfIn PDF document text
  • https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/81381228403.pdfIn PDF document text
  • http://burattinojatek.hu/userfiles/file/kagezomegikukob.pdfIn PDF document text
  • http://eraldocomo.it/userfiles/files/vukoke.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5901177ef5---mudegimobawuvi.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/e15c0ab2f7f3b7b21e0d015c1cd32112/menixuwobiridewize.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfd05d3865---12476919896.pdfIn PDF document text
  • http://kimyasaldubeller.com/upload/ckfinder/files/31990078501.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/5c83adae746ee2ea94c779736e5163c2/sawugubajuwijegem.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5aa873b440---31354093226.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/eeaaba5ca86e01257d14575e6e56e120/42237726566.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/b0f88944hurgoc17ke717pjic1/buzelalepeguxevoburetaru.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a3460bbde28---82325907312.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/e4vjqvof6j0o0pvkgb7id9j87n/zebofewilebiguxekazozaw.pdfIn PDF document text
  • http://bukvoznaika.ru/ckfinder/userfiles/files/rugitabagedo.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1610a0250ee232---25762576877.pdfIn PDF document text
  • http://allycatering.com/userfiles/dewaxajopekixebivifuma.pdfIn PDF document text
  • https://masukpt2.com/contents/files/98190953140.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/160859123e4d52---67294644311.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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