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://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/jon3c4qfhrbiat6pqm2hqlefo5/79280727216.pdf In PDF document text

  • https://djennebeads.com/nbloom/fckuploads/file/7196713016.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/ac03d41f4c241ef144ccc693d7c39ab0/9179273360.pdfIn PDF document text
  • https://biothiennam.com/media/ftp/file/fexob.pdfIn PDF document text
  • http://patronusalapitvany.hu/public_html/upload/tedoge.pdfIn PDF document text
  • http://gaskinfamilyreunion.com/clients/b/b7/b798c9f9e2af69c3a5b950a06e4ade8e/File/vovodemuvuxog.pdfIn PDF document text
  • http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/28569974768.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/44670988106.pdfIn PDF document text
  • http://www.synagoge-stommeln.de/ckfinder/userfiles/files/defap.pdfIn PDF document text
  • http://alkanboya.com/files/file///tofotovokovasiwezujepugi.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160803713c30fc---10858785201.pdfIn PDF document text
  • https://brigitte-farner.ch/userfiles/files/rilupupurilanazixutemen.pdfIn PDF document text
  • http://taiwan-tsai.com/upload/files/59764168210.pdfIn PDF document text
  • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf7f377a67---tikadawimediseboxe.pdfIn PDF document text
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16092f96b8d4fc---givopo.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c288722db---bejezixunafadabitikuzi.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/f92eee9cda8a25843b4e619451e974c4/xuxaju.pdfIn PDF document text
  • http://karunb.com/UpLoads/files/88570755555.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/notejudemaluxitixuti.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e6d083b7f---7077370550.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=ano+ang+funeral+pyrePDF link annotation
  • https://mediacentre.aerlingus.com/js/ckfinder/userfiles/files/noduvabipegazibixubuf.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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