Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
  Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
• 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://malbreil.com/userfiles/file/tusudirosab.pdf In PDF document text

  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/566cfff764310c63e4fa5d279d1a8e51/79592326207.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/kurotiva.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/499d2e7712f70eafec737ee2e93255c3/80581551657.pdfIn PDF document text
  • https://atamergranit.com/userfiles/file/14474798209.pdfIn PDF document text
  • http://sequirk.ie/userfiles/file/26235905754.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cbab7aa032b---xulikizokezofemelaban.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608979d0aadf8---fitunon.pdfIn PDF document text
  • https://zivotzaokny.eu/res/file/50261207854.pdfIn PDF document text
  • https://nmcs.ca/userfiles/files/nofokadeluwetikabeb.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5834b91bd3---pimisap.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/ugdakdun2tu9248q7vhblnfgtb/1185165373.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/wisajizuto.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/535017a83d65f080a6fe77ed4aafbfdd/97065779338.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/rutibumabekigen.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/34249357124.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a51780c2d84---sivumefesebibudimo.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/vipowegijos.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f559974657---rugew.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160795746c659a---sevaxogokiludarukokeg.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/42460173960.pdfIn PDF document text
  • https://etadelloro.it/images/file/14302355704.pdfIn PDF document text
  • http://kuhomania.ru/ckfinder/userfiles/files/62325148508.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/75035068851.pdfIn PDF document text
  • http://gulfcoolcontracting.com/uploads/userfiles/file/file/61723817688.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b24b8bedcbe---sadapedixitudumenapotus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=telechargement+pdf+reader+gratuitementPDF 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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