Malicious PDF — malware analysis report

Heuristics 5

• 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 https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8779e88329---rirewetubuvobubuwukoge.pdf In PDF document text

  • http://skupka54.ru/upload/m/bebevegetuxale.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd908edca73---xomubalajokinefa.pdfIn PDF document text
  • https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/3k8ttkl5qsa8junvqtf9hb0nc0/fasogomamese.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/sivedeketadivi.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/m023k8t3roqtmk331r1ijektc4/10557213572.pdfIn PDF document text
  • http://cnex.cc/images/blog//file/lozerotavi.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb4f32b5c9---nisamapodetuketirozusex.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7a56d13beb47cb0179777362c58a8e64/tuguvunifediw.pdfIn PDF document text
  • https://www.hermanosvalerorecio.com//ckfinder/userfiles/files/93792607334.pdfIn PDF document text
  • http://thy-environment.com/userfiles/files/13282972809.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/cf8fe14d780d181081fcc464b7943aa6/35426028253.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/6faaaf62f0d7779f2f118b5be879c7a4/bunosojujogujepovumamowe.pdfIn PDF document text
  • http://rgn2u.com/userfiles/files/mepejixar.pdfIn PDF document text
  • http://sladkiy-ostrov.ru/userfiles/files/sebonakitupotutixomokal.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/d7f7cf75afd44a055b6f145441f5e3bf/taxeson.pdfIn PDF document text
  • http://vivo-mebel.ru/upload/file/46073181277.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021051614523861.pdfIn PDF document text
  • https://menlopark.com/wysiwygfiles/file/dikotimitipelalemufomax.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/pareaqjmp12fha8nvpf3om55q4/gulukokisinomelu.pdfIn PDF document text
  • https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/41da89d576fcacd1e021e3ab2bc2efcc/wunukidinovogasekesetof.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081b6ecc65da---88362839535.pdfIn PDF document text
  • https://kozhikodedeaf.org/admin/my_files/file/xupujuvifizufejibogi.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160726e0a93ba5---42056765822.pdfIn PDF document text
  • http://candientushinko.com/images/file/funipudisagib.pdfIn PDF document text
  • http://distributoram.com/files/file/58102430176.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=hex+cable+lugs+catalogue+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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