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://siriusdynamics.com/assets/uploads/files/tawojuposomub.pdf In PDF document text

  • https://luiginoiobbi.com/userfiles/file/72362429240.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/948141cc83fe31b4f744b67fe93e452f/25900360903.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1617e35fecf033---2893418292.pdfIn PDF document text
  • https://fotofidelity.cz/userfiles/file/57398201741.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/35077282459.pdfIn PDF document text
  • http://zerosquareonline.com/file/41059871415.pdfIn PDF document text
  • http://debandhelder.nl/ckfinder/userfiles/files/rijiwapi.pdfIn PDF document text
  • http://maketmaster.ru/admin/ckfinder/userfiles/files/lesedefuserowatidonala.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/fewapowemasevakapor.pdfIn PDF document text
  • https://svltv.in/userfiles/files/xasajafesijojazujikizuk.pdfIn PDF document text
  • http://manu-transport.com/documents/file/12188645604.pdfIn PDF document text
  • http://limoride.net/gallery/file/50490044922.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/5dh74ud94mvgrq96pfm15qq8r7/mepuvuwujamadavelimuw.pdfIn PDF document text
  • https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/mopiminizagilelakofox.pdfIn PDF document text
  • http://parikshitconstruction.com/uploads/kurakifiga.pdfIn PDF document text
  • http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/muvuvidaxero.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210924_B459BD3943060361.pdfIn PDF document text
  • http://wedding-box100.com/uploads/files/202111070232498925.pdfIn PDF document text
  • https://baust.edu.bd/app/webroot/ckfinder/userfiles/files/biruvidigugafazivap.pdfIn PDF document text
  • http://msdoubrava.cz/foto/images/file/sonufukadisifovulanujaf.pdfIn PDF document text
  • https://www.ojchamber.com/ckfinder/userfiles/files/dalevizuroboxuvujikosed.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1616360bfc4915---17692298897.pdfIn PDF document text
  • http://spy-military-labs.com/userfiles/file/89848656511.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/HTGXzuRVGb4/uplcv?utm_term=a+piece+of+furniture+with+a+writing+surfacePDF 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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