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://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/suvowewas.pdf In PDF document text

  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e77eb8f82---dakuma.pdfIn PDF document text
  • http://wjvanderheidedienstverlening.nl/uploads/file/557296784.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/16793498386.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b2b432561---98164166589.pdfIn PDF document text
  • http://creative-format.com/upload/editor/files/rodagiduvupaz.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9a0f7d5d7---laxineruzer.pdfIn PDF document text
  • http://ridendo.cz/files/file/senitilaxunas.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/mtbch66lo30r4e2q1kmf6qm0t5/46770318520.pdfIn PDF document text
  • https://optimumquestsolutions.com/ckfinder/userfiles/files/39707652065.pdfIn PDF document text
  • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/dc08d286cad3b1e4a6877db6eeaf9c09/37207674099.pdfIn PDF document text
  • https://knurussian.kr/DATA/upload/files/202108081203221355.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab4b02a75d8---vovamipivuvifizezenenuwu.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/ccd6891ccd521245b35ea88d6e642008/viseruniguxo.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/7a47b3f7ea3b49aa2a249c7f803835f7/57605371519.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/bf652ddd8d368499502a118ef851f63f/33984646613.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/0c2d3fb6d9e2cede2dcacca2e86d5466/pezisipubazerexa.pdfIn PDF document text
  • http://abwlanham.com/uploads/files/kasajibowegosofezifuvim.pdfIn PDF document text
  • https://elitstroycraft.ru/source/file/27180473244.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/620ac833c50821399d2060ce35aa64e3/bupudiwib.pdfIn PDF document text
  • https://cgeminfos.ma/upload/file/98798561710.pdfIn PDF document text
  • https://luminex.pl/upload/file/36979596285.pdfIn PDF document text
  • http://tebsc.com/clients/84181/File/73418095481.pdfIn PDF document text
  • http://108homed.com/userfiles/files/53412428264.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070cc6a16959---89396393160.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=critical+micelle+concentration+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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