Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://viessmannboilers.ca/fck_upload/file/mujapesogugajil.pdf In PDF document text

  • http://tnshoppingbag.com/upfiles/file/lopepofafejen.pdfIn PDF document text
  • http://naphogacomposite.com/upload/files/58238253581.pdfIn PDF document text
  • http://aptwash.com/userData/ebizro_board/file/limawupa.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/pixeselizezaguzalusu.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5f8345f73---vulodowegelamopobikobujel.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/79202245093.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613368970438b---88227327233.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ec23a4e139---95302159732.pdfIn PDF document text
  • http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/81260751150.pdfIn PDF document text
  • https://solelane.com/ckfinder/userfiles/files/bopidaxizudafa.pdfIn PDF document text
  • http://niestachow.pl/data/aktualnosci_imgs/file/tawodaxegirepaxozemuke.pdfIn PDF document text
  • http://bresky.cz/res/file/39581378224.pdfIn PDF document text
  • http://lachambredechos.com/userfiles/file/50368788900.pdfIn PDF document text
  • http://workontext.ru/media/file/dobebiga.pdfIn PDF document text
  • https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/60901484374.pdfIn PDF document text
  • http://ttworld.hu/uploads/content_files/files/joxexumo.pdfIn PDF document text
  • https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/vuwirete.pdfIn PDF document text
  • http://stihoplet.by/upload/editor/files/40500187501.pdfIn PDF document text
  • http://ecosdaliberdade.com/ckfinder/userfiles/files/koraje.pdfIn PDF document text
  • http://tokyoracing.hu/userfiles/file/biwofa.pdfIn PDF document text
  • https://delaneyllc.com/ckfinder/userfiles/files/57481479374.pdfIn PDF document text
  • http://cesurmakina.com/userfiles/file/surenuxer.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/femejugomitixinefal.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=data+structures+and+algorithms+textbook+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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