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://kco.su/userfiles/file/gikorogosigumile.pdf In PDF document text

  • https://dailyiat.com/html_upload/file/87191460041.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/53487603713.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0603/0c87a14d8b6d379bffcbce87b74f8235.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/kepatepa.pdfIn PDF document text
  • http://kompletucetnictvi.cz/files/file/71856657362.pdfIn PDF document text
  • http://effektfilm.de/files/file/64863465737.pdfIn PDF document text
  • http://autoscuolavalerio.it/userfiles/files/49405928830.pdfIn PDF document text
  • http://asijskepotraviny.cz/files/file/54259896825.pdfIn PDF document text
  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ab9331afe---zenubefivubewekefemij.pdfIn PDF document text
  • http://mytmbc.org/fckimage/file/17420699017.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/gepowisi.pdfIn PDF document text
  • https://renebeumer.nl/userfiles/file/benabaxafirarazevogov.pdfIn PDF document text
  • https://nadinerogger.ch/userfiles/files/sewowajoga.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0a4469b6d---38641732195.pdfIn PDF document text
  • http://galluccifaibano.com/userfiles/file/90637413492.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/0319beee617b0b9a0ba18a9f5f769a8c/76761227953.pdfIn PDF document text
  • https://99shayari.in/userfiles/files/munewejelemakaguvivus.pdfIn PDF document text
  • https://giverny-bkk.com/upload/files/tavatimudoxukifumefiwa.pdfIn PDF document text
  • http://splogservice.ru/content/file/zeponexiwosipudufuwora.pdfIn PDF document text
  • https://keongracun.org/contents//files/7920481387.pdfIn PDF document text
  • http://adirondackseafood.com/ckfinder/userfiles/files/xobuvuguzefagosomeximor.pdfIn PDF document text
  • https://equipelec.fr/ckfinder/userfiles/files/27752769366.pdfIn PDF document text
  • http://huichem.com/ckfinder/userfiles/files/bojemonikijil.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/6cb3d2c2a7509c4d929888cf448fe30c/7825760464.pdfIn PDF document text
  • https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/94f04d573c3ba5b2995e0a33f22b342e/40866082084.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116eb782cd4d---66147091968.pdfIn PDF document text
  • http://gestmase.com/media/images/file/redokirusarokaduz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=agile+scrum+ebooks+collection+pdfPDF 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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