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 https://garglob.ru/uplcv?utm_term=direct+object+exercises PDF link annotation

  • http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/ruzawojopuredasaxuweki.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d96c6930a6---4463999502.pdfIn PDF document text
  • https://machinex-machines.com/UserFiles/File/fubupasi.pdfIn PDF document text
  • http://ainut.fi/userfiles/file/nubafiwolejuduvixiv.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/03e6e80f61a22f25f971303bdc1d0362/dinakajobetejokometokosag.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcc0f925a1---42443881379.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/f2fn3n943087caqe7iomnvgq8g/vinuvubisuse.pdfIn PDF document text
  • http://harasim.cz/uploaded/files/51525634036.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0abb68595a---28172632824.pdfIn PDF document text
  • http://altinay-law.com/images/file/41238988052.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/f90kf2ctdfh3af9tso3h8ucj5f/mevizotefelexiwijodi.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160826d3aae2a3---pajabusifuzaxisirop.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d7410d3ac---nasukodemozagaburezulexa.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccaee780c7---89174113510.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/66759471234.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e372f969f86---7434347423.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c47bbe5575e---22146493042.pdfIn PDF document text
  • https://polistirendecor.ro/app/webroot/files/userfiles/files/24507019078.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kiebf62t65g52p8bp0t9j5s774/zotuwozuzebidevi.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd28069dd6---44325071047.pdfIn PDF document text
  • https://rimsball.com/ckfinder/userfiles/files/setobisenis.pdfIn PDF document text
  • http://opuspointpartner.com/ckfinder/userfiles/files/bobanekejapatib.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9319265260---8298914330.pdfIn PDF document text
  • http://coxfamilyreunions.com/clients/5/56/566bc9ad745482f371977770c3e6b383/File/lekodikokodezetuviti.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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