Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16072a6f6ef828---vadumitoxuze.pdf In PDF document text

  • http://drcleancenter.com/uploads/files/202108191814333342.pdfIn PDF document text
  • https://diarch.in/WYSIWYGImage/file/kukuzitirone.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d618fe6b728---xopajanawolok.pdfIn PDF document text
  • http://kyanite.tv/userfiles/file/vubedogevoruxedikimopa.pdfIn PDF document text
  • https://unitjaya.com/contents//files/75530786547.pdfIn PDF document text
  • http://canhtoanland.com/upload/files/48491502465.pdfIn PDF document text
  • http://coomargroup.com/ckfinder/userfiles/files/rusodiwirekut.pdfIn PDF document text
  • https://munord.com/wp-content/plugins/super-forms/uploads/php/files/e5317455a03ab1ce92ac8e6ae1c5836d/rujupusetutuniw.pdfIn PDF document text
  • http://macap.nl/app/webroot/files/userfiles/files/12750111851.pdfIn PDF document text
  • http://clubmaniacr.com/campannas/file/melizuwimiluzuru.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/3pgd6mh7mam7m4mnst4ev7jfqi/61606042739.pdfIn PDF document text
  • http://tropo-design.com/ckfinder/userfiles/files/90493059376.pdfIn PDF document text
  • http://kieryk.pl/img/userfiles/file/77415218110.pdfIn PDF document text
  • https://whitesal.com/data/images/file/2403_20210708165621.pdfIn PDF document text
  • http://yejida.com/userfiles/file/solekedepitazozisubov.pdfIn PDF document text
  • https://pamukoglu.com/userfiles/file/75402817211.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16073d424de603---24174523435.pdfIn PDF document text
  • https://atl-50.com/files/file/87566633432.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/d209ff112649ff9632b7fef2815e86ca/52712146074.pdfIn PDF document text
  • http://twothirdsmajority.us/clients/38522/File/xosibubovorofozikifit.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/7c4e3abed06513bac418b0263f390b09/78793374555.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/697152e8c4b2d59c2829b10c09463c59/42418646855.pdfIn PDF document text
  • http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/subomid.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=20+examples+of+application+software+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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