Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/40a3dde306e1df0826365ddcc6de4dea/1355599525.pdf In PDF document text

  • http://piotrkowska77.pl/zdjeciafile/70937304692.pdfIn PDF document text
  • http://chapmanhighschoolclassof1968.com/clients/c/cb/cb1fed5110c07f199f416a264ee6943c/File/mobojined.pdfIn PDF document text
  • http://tomaszskiba.com/userfiles/file/63962759606.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/97297134974.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/a0e77024bba6a0fe1d6c2c8b4a58967c/xulinosaxarakegavag.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/6ddcc0501337b185db428aa61d7cefae/89307839408.pdfIn PDF document text
  • https://doganagolosa.it/file/16160957542.pdfIn PDF document text
  • http://dgjst.com/upfile/file/45139708796.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/4to8p2n7gkbqab72gq9khpuft3/besudorewizow.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/87855265095.pdfIn PDF document text
  • http://munsusa.org/userfiles/file/20210526171958.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160ac62059eb1f---42611219578.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/37880005364.pdfIn PDF document text
  • http://venturahigh1967.com/clients/40640/File/37197749630.pdfIn PDF document text
  • http://opuspoint.com/ckfinder/userfiles/files/ligade.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/3525804739.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/66208223435.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160899fbc9acc3---31330229602.pdfIn PDF document text
  • http://misterholidaysanprisco.it/userfiles/files/32403062980.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/jot997rfvvkmgosegjqkm7aln8/lekovadejelevujelonesar.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c73065b8592---71576631913.pdfIn PDF document text
  • https://fishboat.hr/files/17414808338.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/503eca4af9120174c6a880e03afb2b53/79854484920.pdfIn PDF document text
  • http://floral-design-lindgens.de/userfiles/file/kovagalomutuvapod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=james+stewart+two+rode+togetherPDF 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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