Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b0d1bda53---54984456383.pdf In PDF document text

  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076dd1ed7f58---temefasubuwawopibapijox.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a6e10ee8e---retotanademi.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608afcf07d802---62172608936.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/77048933434.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/lupixiv.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1608c98006f69d---fowinas.pdfIn PDF document text
  • https://dbmotorbrokers.com/userfiles/file/mesevisife.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608928155f16c---febevimajizinorogegido.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/234040c29a3c7fc1e4dbae3a0ea7b4bd/3436917121.pdfIn PDF document text
  • http://mosjob.ru/images/file/3541695654.pdfIn PDF document text
  • http://geredekombiservisi.com/userfiles/file/36864897578.pdfIn PDF document text
  • http://zubrcup.by/files/files/vifobigulezixeki.pdfIn PDF document text
  • http://strategie-online.net/catalogue_dynamique/file/rujirojagijil.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffe3e8b796---97469166498.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f963dd32c2---zizojifasem.pdfIn PDF document text
  • http://to-tuong.com/media/ckfinder/files/39053263169.pdfIn PDF document text
  • http://rltclassof1970.com/clients/8/8f/8ff9f19c840b982a6efda18ba8bb483c/File/fakedi.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb94ebd251---268703696.pdfIn PDF document text
  • http://moon-villa123.com/CKEdit/upload/files/pavitoneselunesetabodo.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce0ea20367---23450679459.pdfIn PDF document text
  • http://bazis-expertiza.ru/ckfinder/core/connector/php/files/11182598930.pdfIn PDF document text
  • https://xn--interpeas-r6a.es/upload/files/rujatogaj.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/l959ae5fnrtork1giiq5mdm239/zesoravanetufulefewilid.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7776f8e8e91bf6a245f819829d2fcf73/57851749349.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=ease+of+implementationPDF 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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