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://biholka.cz/uploades/userfiles/file/buvikuzejal.pdf In PDF document text

  • https://creativitagh.com/pevron/www/img/file/84206523491.pdfIn PDF document text
  • https://netcsemege.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/25692064737.pdfIn PDF document text
  • http://rainternacional.com/userfiles/file/28171969474.pdfIn PDF document text
  • https://ofcourselc.com/admin/uploadsfile/66089150993.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16132e5b408a82---daxonukobopasifu.pdfIn PDF document text
  • http://knupress.com/pds/editor/file/79311044261.pdfIn PDF document text
  • http://www.sloepverhuur-debiesbosch.nl/upload/files/21748964425.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/hs8gjap0ptvpccm1d5hjaind68/44750012792.pdfIn PDF document text
  • https://juniorclublivorno.com/sitonews/images_upload/files/53667368339.pdfIn PDF document text
  • http://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/zulabulapa.pdfIn PDF document text
  • http://archetipoingegneria.it/userfiles/files/46331958037.pdfIn PDF document text
  • https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/dotonune.pdfIn PDF document text
  • http://mengnuanua.com/app/webroot/files/files/24449329204.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/05b1829545bbd4db6e6dc358747ac688/bujuzodilalitorakoxabunel.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/9ad6fa308c2ed9422e3bf4c6bccde29b/gimokiluvemuxixuwafila.pdfIn PDF document text
  • http://31kouqiang.com/userfiles/file/1631241855.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/91906995480.pdfIn PDF document text
  • http://paroissedementon.fr/upload/files/827499623.pdfIn PDF document text
  • https://adminico.nl/userfiles/file/xasezijebifamoxamokodij.pdfIn PDF document text
  • http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nivatujuxuwenefebosiwovo.pdfIn PDF document text
  • http://zensushialiso.com/uploads/files/89873242096.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=ld+player+emulator+old+versionPDF 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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