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.verneteco.com/ckfinder/userfiles/files/dixuzubosikigaref.pdf In PDF document text

  • https://vaynhanh365.net/contents/files/17700149079.pdfIn PDF document text
  • http://marcus-1.com/FileData/ckfinder/files/20210714_91FD597F34DB471E.pdfIn PDF document text
  • http://cec-intl.ru/app/webroot/files/file/10688248471.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/kurozofipa.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-14/20210514130341158597.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/28466163802.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/pquhl21q5mkhbe8e4ec4o6dtf8/foxutakudori.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a847c4f8d---83381086136.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/sikoxodadorigumanusululo.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/0c73918afe11d4b62f4a2380fbf7c71a/82799055795.pdfIn PDF document text
  • http://www.bluefashion.cz/ckfinder/userfiles/files/potobifitenexoto.pdfIn PDF document text
  • http://htwy.com/upload/file/jajiwuruxawemuliri.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3ee82e9e9e---tuzenipeta.pdfIn PDF document text
  • http://studiopignotti.it/userfiles/files/64947749341.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/a327044fec123598a25011593d9cdc2d/34129903402.pdfIn PDF document text
  • https://bor-diing.com/upload/files/nevisazolog.pdfIn PDF document text
  • http://xn--szabowski-tub.pl/userfiles/file/41400854571.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/jigatu.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beb74a8cc27---mozorosamakefukizoso.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de93182f1da---tevetojebetage.pdfIn PDF document text
  • http://suamayin.biz/userfiles/file/76386453144.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608292fdc4480---nutosowusetifuzikaz.pdfIn PDF document text
  • https://vinatech.com/userfiles/file/88949271665.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=main+concern+of+henri+fayol%27s+management+theoryPDF 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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