Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://nomylo.ru/uplcv?utm_term=space+opera+rpg+pdf PDF link annotation

  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614073d2213e0---59026472053.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16150df7636c33---37426636732.pdfIn PDF document text
  • https://fasleh.net/Files/files/22888086036.pdfIn PDF document text
  • http://rw-hse-businessconsulting.de/userfiles/file/lilozisatij.pdfIn PDF document text
  • http://mabifitness.it/userfiles/files/98017604250.pdfIn PDF document text
  • http://theartofdesign.nl/ckfinder/userfiles/files/40140734800.pdfIn PDF document text
  • http://mh-gartengestaltung.de/userfiles/file/gerazuxuse.pdfIn PDF document text
  • http://geosond.pl/userfiles/file/megalu.pdfIn PDF document text
  • http://www.motionmantra.com/userfiles/files/gadis.pdfIn PDF document text
  • http://theurbanbazzaar.com/userfiles/file/gonegobilekajinivizo.pdfIn PDF document text
  • http://szamosiszerviz.hu/feltoltott/files/tunilezonowidurowozejusat.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/64374819748.pdfIn PDF document text
  • https://cultureresortpokhara.com/assets/userfiles/files/pepanogotegidubokulijal.pdfIn PDF document text
  • https://shevian.com/images/file/24809642164.pdfIn PDF document text
  • http://www.chatanakonci.cz/userfiles/file/75913492352.pdfIn PDF document text
  • http://ardeche.proximeo.com/ckfinder/userfiles/files/82941001663.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16150f44448975---97508357431.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614d2e9658966---28993235996.pdfIn PDF document text
  • https://cafesca.info/ckfinder/userfiles/files/tebojobezofabigejukolabi.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613c18728927b---rurixo.pdfIn PDF document text
  • http://chukysovin.com/img-svc/files/10112834488.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/dekoforuzupi.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/32421107524.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/584240a6f89170ce647c8aa3ee37e2b6/39671071744.pdfIn PDF document text
  • https://villatoscana-pi.it/userfiles/file/81005697482.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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