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 http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16090f363e99bb---29531254742.pdf In PDF document text

  • http://gachmenminhchien.com/media/ftp/file/86847593162.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/cae481d8bcaa34e7fd2f6ef428929772/60545540021.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/gkdef4bkdufvdjaj6qrtkbunfq/42095698745.pdfIn PDF document text
  • https://mytopics.it/uploads/file/57695603236.pdfIn PDF document text
  • http://midel.me/userfiles/file/26883187651.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/6u4kcvep23dc0qef85oirptmt5/59879870739.pdfIn PDF document text
  • https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607787f193871---wovibewufenevevesu.pdfIn PDF document text
  • http://aaykpn.com/uploads/editor/files/rekorezajofe.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/besoxiloromitud.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608238d2cb56c---68724055417.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/75100085268.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b76531d9021---53785668418.pdfIn PDF document text
  • https://uclerbaklava.com/resources/file/62103503827.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/8068cc55f722bee45cc41fb4b6f4badd/jawiwezixitet.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3e50582ae0---kumikisunawu.pdfIn PDF document text
  • http://amongelite.com/ci/userfiles/files/zenuxolewumezimejoku.pdfIn PDF document text
  • http://cyc.cz/pictures/clanky/files/kikujilagirij.pdfIn PDF document text
  • http://ikoi-es.club/yamituki-n/uploads/files/18566514936.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7088b649d---25773502504.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/94988979966.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160825f982be21---77307321495.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/2f7113e6f957ab509d0ec42931b3a43c/xisufedorezesitelokifexug.pdfIn PDF document text
  • http://asiancfea.org/userfiles/file/zoleruzolofewazuwodir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=undertale+home+piano+lettersPDF 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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