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://catamma.ru/uplcv?utm_term=how+to+print+from+note+10 PDF link annotation

  • https://hotellemaritime.com/hotel/upload/files/siwesisawuroniwi.pdfIn PDF document text
  • https://shriramsteels.in/public/ckfinder/userfiles/files/95791241721.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140ca56962b4---64830238520.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/bemixexizitozem.pdfIn PDF document text
  • https://onutglen.com/caningest/images/file/pikorotomivalepomuv.pdfIn PDF document text
  • https://questyme.ca/userfiles/file/kumarorawifukaregu.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b8aacd191---37801886788.pdfIn PDF document text
  • http://www.ekoforte.com/upload/file/razexexivupoxipagoni.pdfIn PDF document text
  • http://guerrazzi.info/userfiles/files/vuvofi.pdfIn PDF document text
  • https://stiglic.sk/userfiles/file/gexuluke.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/48834c67d33823c4610a25736d3ea394/63502222252.pdfIn PDF document text
  • http://www.armstrongre.com/files/files/93030550290.pdfIn PDF document text
  • http://nuk-amro.de/userfiles/file/64746216957.pdfIn PDF document text
  • https://luathoanghuy.com/uploads/files/xazatabuzelovixutibe.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/5arvshd17613cn6c3u685sv676/18770369620.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/3pbhqbk8a7a2ooat6v6bndb2rm/rifudu.pdfIn PDF document text
  • http://runhouchem.com/upload/files/kenobagarusovovixosuvarew.pdfIn PDF document text
  • http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/59761469321.pdfIn PDF document text
  • https://rotitelor.com/contents/files/volevajiwigasinas.pdfIn PDF document text
  • https://isagrinio.gr/userfiles/29608084490.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/vatojafusa.pdfIn PDF document text
  • http://belst.by/upload/file/68794590098.pdfIn PDF document text
  • http://giteduguedesboires.fr/userfiles/file/medafe.pdfIn PDF document text
  • https://hashtag.school/userfiles/file/24584711433.pdfIn PDF document text
  • http://groupelamiri.com/uploads/FCK_files/file/fabizepomilanazur.pdfIn PDF document text
  • http://cuacuonanbinh.com/userfiles/file/zijemorisedixinimisu.pdfIn PDF document text
  • http://tpfish.com.taipei/archive/upload/files/5220836095.pdfIn PDF document text
  • 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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