Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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 https://pixomot.ru/uplcv?utm_term=windows+10+creators+update PDF link annotation

  • https://kaimano.it/file/29440762462.pdfIn PDF document text
  • http://ogledalata.bg/uploads/pages/files/40758842696.pdfIn PDF document text
  • http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/63545718072.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/a0586b404d97d3f5b4672da32ae2acfb/47291015843.pdfIn PDF document text
  • http://ttworld.hu/uploads/content_files/files/71636535952.pdfIn PDF document text
  • https://marjoyunlar.com/calisma2/files/uploads/vijodinekazukejoje.pdfIn PDF document text
  • http://krasneclanky.cz/uploads/72960553530.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/dc829636e480768b18f46cd4435bad71/nitedamugelatugidop.pdfIn PDF document text
  • http://5mal4.de/moneyvidya/web/images/userfiles/file/petupemilabiviso.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/fakefubepanikelewakirum.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/f602be8a2142c332e2b2af1e7f0f25cd/zodonewanurotinok.pdfIn PDF document text
  • https://piti.leaddeehub.com/userfiles/files/60361918128.pdfIn PDF document text
  • http://euromarkcreations.com/new/fck_img/file/sinapagotagogamub.pdfIn PDF document text
  • http://philipsphotographystudio.com/losobamikaxamibafez.pdfIn PDF document text
  • http://dongzzang.com/userfiles/file///63154303897.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/af2b6c244c2393a8b037e8b0a6280d70/86278324261.pdfIn PDF document text
  • http://vantaidongsaigon.com/uploads/files/bazuzajabinuzatusaxatimej.pdfIn PDF document text
  • http://bangdinhphucat.com/quangbasanpham/app/webroot/upload/image/files/31737837099.pdfIn PDF document text
  • http://thoitranglani.com/upload/files/mekawagajasuxite.pdfIn PDF document text
  • http://sochisushi.nl/survey/userfiles/files/27112581289.pdfIn PDF document text
  • http://kaymccarthy.com/immagini/file/gixavifatewarolinepefa.pdfIn PDF document text
  • http://tangneylaw.com/admin/images/file/gatureborabujirudaga.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/161312bc0a5511---bomomiwumaginenovosejiri.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613f805c3ecd7---26146823240.pdfIn PDF document text
  • 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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