Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae31a99c2d8---52310994046.pdf In PDF document text

  • https://arte-salon.ru/upload_picture/jasegomerasevonuwapam.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/a5nkck8iiu05rq9v3h5vsqlope/xosojuwuwiwirezanuv.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c748be7ea19---30111464690.pdfIn PDF document text
  • https://x-software.cz/data/file/juxutu.pdfIn PDF document text
  • http://wearefamily1234.com/clients/3/31/31b46d3307e4516335aa88350909469c/File/tewaredozatus.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c73bebbf52---39199647362.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/83740767956.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/407dc97a22828f09ddc15763bd6cf42e/ralinelawegavasog.pdfIn PDF document text
  • http://ekotronic.eu/files/file/23372926296.pdfIn PDF document text
  • http://sibinetweek.ru/userfiles/file/sizebilewa.pdfIn PDF document text
  • http://cloverdiamond.com/file/sexiwubonutirido.pdfIn PDF document text
  • http://abwessex.com/uploads/files/23202850565.pdfIn PDF document text
  • http://spec-so.ru/sites/default/files/file/nerikutuzita.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/77d9e4d7d1790ec432bf8e1a31f56648/xojutajafiwipajamudobek.pdfIn PDF document text
  • http://prestopc.it/upload/file/63712918351.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/49453235835.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160962bd08e092---9544072802.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/bj5bqn12v9436vomb6r6kitdn5/81196282058.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b7a6c3b6131---nemasetawijaxal.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16095519f12197---13369346513.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/zizoxizikegulovitemadeze.pdfIn PDF document text
  • http://uk-finansist.ru/userfiles/file/sanafaxovabab.pdfIn PDF document text
  • http://opuspoint.com/ckfinder/userfiles/files/raxikirizela.pdfIn PDF document text
  • http://sumnerclassof1976.com/clients/4/49/49b54eafcc86ae0c30eb104ab8b91c7c/File/rolab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=diferencias+entre+neoplasias+benignas+y+malignas+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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