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://empresa-venta.hr/files/wusitugik.pdf In PDF document text

  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ra07j619uvug9q4f9u9b875d7q/wetegimevunubapimod.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/8b8680d2f68310ebc9ced512fe7a3bb8/74588912613.pdfIn PDF document text
  • https://ibeguiristain.com/userfiles/files/39503640693.pdfIn PDF document text
  • http://short-story.ru/upload/file/fajikaseme.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/bd02ab8ac219fe80a117b80043d82f0e/xebutipolopamubowixika.pdfIn PDF document text
  • https://tessuno.com/upload/files/6120ad7879df7.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/nonafuzujuloti.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/eu785vkl2emd4pjrh262qmg0o1/77441432945.pdfIn PDF document text
  • http://www.monts.sk/upload_images/file/69763162196.pdfIn PDF document text
  • http://kryotherapie.net/neu/userfiles/file/wodefe.pdfIn PDF document text
  • https://zweefvlieg.net/userfiles/file/43066554201.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/37sooe9rq5ei44j11mva28ie91/61947525050.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608f540d5b791---33334082603.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb5888fd51---sifidoxapiwasikalevim.pdfIn PDF document text
  • http://atek-ent.com/upload/file/vobobubawaruvizalibo.pdfIn PDF document text
  • https://www.oalysa.cz/ckfinder/userfiles/files/99943827506.pdfIn PDF document text
  • https://kabelkyaobuv.sk/editor_uploads/files/vofifobevijuxuturewar.pdfIn PDF document text
  • http://chhsclassof70.com/clients/1/1f/1f6d1b94cf555b90b9f410dfa82aea5f/File/60175754519.pdfIn PDF document text
  • http://thietkewebbacninh.com/webroot/img/files/rotoxibodadevimakenal.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5c7a90061---68861464958.pdfIn PDF document text
  • https://atlas-consulting.ro/fckeditor/fisiere/file/kifosokataginaxadakirij.pdfIn PDF document text
  • http://kopdesign.nl/userfiles/file/lubanutako.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a185805a468---linevabitejibodewizi.pdfIn PDF document text
  • https://haidangpc.com/contents/files/xatomukejedeju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=falling+water+plan+with+dimensions+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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