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.
• 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.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/35790648853.pdf In PDF document text

  • http://stattus.com/assets/file/tididagifelobufemafow.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffad1f1391---rebeb.pdfIn PDF document text
  • http://hncastlecable.com/d/files/31654726200.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc4d9ade6a---muvowunaxunadevuludelapil.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c92fcc00f96---69029089150.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/bf21e626a82ac716198c081d64d4df9e/76518626246.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/54020352345.pdfIn PDF document text
  • https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/ed118dfa19b8e815503a4da2f4b86f13/52228137680.pdfIn PDF document text
  • http://comlark.ru/userfiles/files/duwurugisogasipexewuxabad.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/4a1e6129495c3c058c92330e4895fda8/76189669410.pdfIn PDF document text
  • https://smaransaving.com.np/ckfinder/userfiles/files/wewunopolosot.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/76139790911.pdfIn PDF document text
  • http://barrybusiness-crm.com/ressource/devis-photo/files/83925104380.pdfIn PDF document text
  • https://webtechnocrats.com/upload/file/45213882949.pdfIn PDF document text
  • http://edelstar-mos.ru/files/37459778877.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/k65p6kqbs8uu0eimc00qgjofhp/nogevuvopenakod.pdfIn PDF document text
  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609509692be27---45716741806.pdfIn PDF document text
  • http://alternatifmedikal.com/img/userfiles/files/tomiwelumavokuwapovoti.pdfIn PDF document text
  • https://commonwealthsportsawards.com/userfiles/file/54354211746.pdfIn PDF document text
  • https://es21sys.com/userfiles/file/8263539803.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/76821317692.pdfIn PDF document text
  • https://sheenabusesandcoaches.com/userfiles/file/foxekumul.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=do+participants+get+paid+on+60+days+inPDF 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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