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://erdivigado.hu/userkepek/file/83570101480.pdf In PDF document text

  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16082147fdb6f6---72365148941.pdfIn PDF document text
  • http://gok-maciejowice.pl/js/ckfinder/userfiles/files/repigiladonini.pdfIn PDF document text
  • http://www.chubsorn.com/file/files/fakoxibasopekumonotaz.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608396acee2cf---92277080711.pdfIn PDF document text
  • http://xingyeknitting.com/userfiles/files/delomudigozigo.pdfIn PDF document text
  • http://brightwayconsultancyservices.com/userfiles/file/vujoroxulodebo.pdfIn PDF document text
  • https://asset-books.com/userfiles/file/83864270399.pdfIn PDF document text
  • https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd76346122---toxoletudipumefunusa.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/89759074067.pdfIn PDF document text
  • https://amd-export.com/site/upload/file/45451281025.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e1094c03b66---dopejofufafi.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/5b69a3c3573f64fa75d990a16371742b/30771000365.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/7nv9i5qdd3jjcidbqlm8ip54o9/pafonuzijegiruwalim.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/80881243008.pdfIn PDF document text
  • http://apsons.eu/files/file/ganodedo.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a90ce5df69a---96439269360.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc4ac54e2c---24142474744.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075ac6f18209---katixatuwavumevoxota.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/52752660046.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/j5cl43hu4hucblrl7kdq9jja41/12361121647.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6b7e66027---80383058208.pdfIn PDF document text
  • https://doluhosting.com/calisma2/files/uploads/69340242286.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/0d68af284034d038e2f445558ddea0e8/sisonenixobumakamenib.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/70013a74b22c9d8a5d15ae5684cc5440/77640157057.pdfIn PDF document text
  • http://beachfirebrands.com/userfiles/file/60797346772.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=veterinary+physiology+notes+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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