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://inwebjor.ru/uplcv?utm_term=online+io+games+to+play+with+friends PDF link annotation

  • http://staropolski.net/Upload/file/71719819040.pdfIn PDF document text
  • https://toananhmedical.com/uploads/files/81003215272.pdfIn PDF document text
  • http://softwaretesting.kr/club/data/userfiles/file/20210907232426.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/4740d9eedfd68d5aa7bbcefcfd4008de/maxikewakafox.pdfIn PDF document text
  • http://gmart-express.com/demo/uploadpic/file/vifasumuluses.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ceae88404a---47713976166.pdfIn PDF document text
  • https://condominiovillage.com/userfiles/file/fororaranewef.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/tekagijixirufi.pdfIn PDF document text
  • https://dalba.net/other_files/File/44320526193.pdfIn PDF document text
  • https://jasmijnbloemengroen.nl/userfiles/file/37145992503.pdfIn PDF document text
  • https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/pomejojanubopudike.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/b82ccc679bc005807ed9ec0dad321a69/25928633138.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161315063b9c26---82104564970.pdfIn PDF document text
  • http://mecaniquekd.ca/upload/file/diviripapu.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/161354c2a1eac8---72852535014.pdfIn PDF document text
  • http://seychelles-resort.com/images/blog/file/fariletewizemi.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613320b3b10c6---66414412040.pdfIn PDF document text
  • https://bc2000.order-pro.com/ckfinder/userfiles/files/42768741570.pdfIn PDF document text
  • http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148386e59339---50266136872.pdfIn PDF document text
  • https://terracetemayonetim.com/upload/ckfinder/files/19637547248.pdfIn PDF document text
  • http://ndt-ultratech.com/files/zivazalakole.pdfIn PDF document text
  • http://speed-r.com/js/upload/files/muwotevoxoxumema.pdfIn PDF document text
  • http://thebankcardservice.com/uploads/files/jogevufuxususigevavomen.pdfIn PDF document text
  • http://fazendasaojudastadeu.net/fotosempresa/files/zupubidoxesagafopumumunab.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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