Malicious PDF — malware analysis report

Heuristics 5

• 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 http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fccd54bea6---10460098541.pdf In PDF document text

  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/c17d5a6ab2d6d93b971b57194abc5af3/45750227545.pdfIn PDF document text
  • https://ph2020.org/FCKeditor/file/mewijazi.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9d8c95409---26204997148.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16079d31a980fd---9554312031.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/bdc5c65581556393cebcf8682a0f994a/xatezijoro.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/81648519399.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609629f02cf84---siberegukutugogibek.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/74196356474.pdfIn PDF document text
  • http://bjeclinic.com/ckfinder/userfiles/files/vofavixubemul.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/u0g27137vejg9kkj81graeab91/kadavipija.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/f77afcb3bb43c584ac282e194b256d86/6296067058.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7acd98509---3118081599.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098b7fed3578---39475612972.pdfIn PDF document text
  • http://d4sontario.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/vimagagive.pdfIn PDF document text
  • http://niszczeniewaw.pl/userfiles/file/ruraxilokibu.pdfIn PDF document text
  • https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/68261dbadd8d79f75cf413767c54e782/40827445457.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8dc5cfb0e---18903898291.pdfIn PDF document text
  • http://phanbonvbm.com/upload/files/nurisipobejaritatoduzezej.pdfIn PDF document text
  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e6561a1d6---55683645691.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/bojetadumojuzekuputugesu.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c2646f89bed---3899476102.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1606fffc49b17b---82728602162.pdfIn PDF document text
  • https://jackyrouxmethode.com/userfiles/file/48216927309.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/81221402267.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16093cee2361a9---77349740908.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=ride+along+police+departmentPDF 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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