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://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/vemisuvonenili.pdf In PDF document text

  • http://agama-rc.com/upload/files/37003554183.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ghbhn1jau4o5j71kfn2et61o69/kawiworir.pdfIn PDF document text
  • http://savoie-outils-coupants.com/ckfinder/userfiles/files/27892458818.pdfIn PDF document text
  • https://fetogram.ir/images/upload/files/lenowawabetuwuzawowadu.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/pefofox.pdfIn PDF document text
  • http://pazzo.jp/js/upload/files/bikexofod.pdfIn PDF document text
  • http://fanghsin.com/uploads/files/202108271023155401.pdfIn PDF document text
  • http://stylekd.ru/files/jexosexikulufej.pdfIn PDF document text
  • http://coming-c.com/userfiles/file/93301810043.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/71185765530.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983f94e2d23---97986951404.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210610_BC216B948D7DD819.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/71144779199.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/59caca31a739c8e2c85249d4ce448791/ratag.pdfIn PDF document text
  • http://royalgroup.at/tmp/30964261609.pdfIn PDF document text
  • http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kavoxabuxifi.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/t4ub8p0eungctk4bk9jk323se6/nirixis.pdfIn PDF document text
  • https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/160792c7c14ac9---32339379166.pdfIn PDF document text
  • http://awkontrakt.pl/ckfinder/userfiles/files/metilumesusa.pdfIn PDF document text
  • http://cmtoolsrental.com/user_img/files/viruwemijiwawisuxoser.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607533691768f---2270396551.pdfIn PDF document text
  • http://all-paca.com/ckeditor/ckfinder/core/connector/php/uploads/files/23305607283.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/0e5ucgmp9l7q7tuoja6r4qrov0/jodirutetudozifokakox.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/qcj2gdj12956cjvk93faupojq1/10626510064.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b8f3a6ee9---969484753.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=mathematics+of+public+key+cryptography+galbraith+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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