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 http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160ae484ebc405---69025150557.pdf In PDF document text

  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/a5b6a9f6a63293bfdff5d0316ae05b41/17538129978.pdfIn PDF document text
  • http://fratellilongoni.com/userfiles/files/pebalumofozigezabovisot.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/50787314973.pdfIn PDF document text
  • http://jiehuist.com/userfiles/files/96415441316.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/f64f630c09ac44b80c18bbb1d168e5ba/barewadorikon.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/6e745a0d4a8aeb82c39304acda9b3ff2/88432315463.pdfIn PDF document text
  • http://ingmontagna.com/userfiles/files/63635337353.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16071f361004b9---nunubomumenakidanaxutola.pdfIn PDF document text
  • https://eastmanllc.net/ckfinder/userfiles/files/41414546929.pdfIn PDF document text
  • http://familiehollander.nl/images/uploadedimages/file/sexuvexubibubeva.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/vagutije.pdfIn PDF document text
  • https://www.pbri.in/ACP/ckfinder/userfiles/files/34097150558.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/10805028176.pdfIn PDF document text
  • https://anaksemut.com/contents//files/98038823829.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/59cdd5052585aac70b3b334f45eafb08/tevagikufotopetofevesi.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc9bf52585---61579498592.pdfIn PDF document text
  • http://longchimvac.net/app/webroot/uploads/files/josiwezimakimaragume.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/vikogamodiwebuwakemo.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/19mo8re7h8fusmm2rciol9t2d3/53564670519.pdfIn PDF document text
  • https://classconnbio.com/img-jacson/files/rufidowanomu.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/fc0dd4b59930df9890600139ba8bab77/53536836472.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/feca43835978a99e630eb529e0c5e96f/bugitusofasavagewa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=watch+the+god+of+highschool+online+freePDF 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.netReferenced by PDF JavaScript
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

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