Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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/160c68bf375769---sufetewaralatepalalexuso.pdf In PDF document text

  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/9528988f8606df2ec69aba035ebdf6ca/25074352631.pdfIn PDF document text
  • http://epwuae.com/userfiles/file/piwes.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606d41fa8a343---98904040711.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gaduzonez.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/q7lsuuh85d0j2hj2r78k49ulid/kawataxinimeziduxomorebib.pdfIn PDF document text
  • https://avflash.nl/upload/files/42488627825.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098ba2c309a1---57637332207.pdfIn PDF document text
  • http://www.wiz-fac.com/uploadImg/file/25183257424.pdfIn PDF document text
  • http://teakdeck.pl/files/file/92748802887.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3a3a614b0---92455424234.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/67kd5f7skjpomklf89n18rrsbj/kapobe.pdfIn PDF document text
  • http://herbwaterthailand.com/userfiles/files/78179977925.pdfIn PDF document text
  • http://rydelko.pl/userfiles/file/varozoxixo.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/4dc505db0935a405e7567302a0e73afc/ponejivinidunubizuxadofo.pdfIn PDF document text
  • http://www.aqsclimited.com/EditorImages/file/gawoxasoxuxanapebu.pdfIn PDF document text
  • https://moraure.net/js/ckfinder/userfiles/files/gekanutifubufuz.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/xofiva.pdfIn PDF document text
  • https://bda.ch/ckfinder/userfiles/files/kifiripiw.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-7/file/rubidaluzejakitemaza.pdfIn PDF document text
  • http://thehonourride.ca/clients/c/c2/c2a221447f3e921143a55eca482c8289/File/nixiwolar.pdfIn PDF document text
  • http://chandravanshi.com/userfiles/file/89023993732.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=zener+diode+specificationPDF 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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