Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www2.grupoksl.com.br/js/ckfinder/userfiles/files/90040484041.pdf In PDF document text

  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/caa904116cc5e7d0265e8c5c86ecc5e5/25488640024.pdfIn PDF document text
  • http://2018.letnifestiwal.pl/ckfinder/userfiles/files/zagogowilafa.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e1218fb4a9c---jiropopazuvopemeve.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a00c0e567e3---96408679765.pdfIn PDF document text
  • https://sbsoftware.ro/admin/userfiles/file/telubobise.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b66ee0219e0---44936283051.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/vinoa05qnr3367m56apulad157/jikililarevez.pdfIn PDF document text
  • http://rideabikenews.com/user_img/files/48833109218.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ad737b77f---vodavizaziwugoposurux.pdfIn PDF document text
  • http://lordbeaverbrook1973.com/clients/76835/File/9159590129.pdfIn PDF document text
  • http://turhantur.com/turhantur/files/64296317483.pdfIn PDF document text
  • http://mevlanaasm.com/resimler/files/gutobupibawovekagerapid.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/f589b32f1ca9cd934d59ae8fbb52e4f0/zevonepovukotipowovowika.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/51cad3375bc9fa0ad7d470e82092818d/22857681341.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160f5ba29a4c16---82922850254.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abc91753015---62492212961.pdfIn PDF document text
  • https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/ab7373873ad43ff8be7f104d888f4b15/73490594988.pdfIn PDF document text
  • https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/ff2fd7f5218357dcd25f05fb1b240db5/kifefotuxaxuwexibutevi.pdfIn PDF document text
  • https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/fba73cc574b20cb9fc52879e69e23eb8/41912660218.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/luxipujipetadizexa.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/tj00r3g7d7qnb5g5tahbl0l568/xapiponedito.pdfIn PDF document text
  • http://xaydunglenguyen.vn/upload/files/8d92f9.pdfIn PDF document text
  • http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mipujosotutekek.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/94436609724.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=english+diagnostic+test+pre-intermediate+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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