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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://irlanc.ru/uplcv?utm_term=read+all+about+it PDF link annotation

  • https://mimpishio2.net/contents//files/sariwugatuxuzixunupigel.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c8cfc5ee502---23603613492.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/0c029ae9a50811e6000572125db3b8f3/nawuvajutataxubomeviwir.pdfIn PDF document text
  • https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ceec37bab6---1436074837.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160a926402a86b---75831218264.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/b5c93f5faa23e6f4113f06e893d46e5a/35976316823.pdfIn PDF document text
  • http://bagliodeimille.it/userfiles/files/89471553948.pdfIn PDF document text
  • http://mosvag.ru/img/lib/file/xatoxirog.pdfIn PDF document text
  • https://congchunghadong.com/uploads/files/fivutukinitirupup.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873e49d3767---19700611863.pdfIn PDF document text
  • http://richardchong.com/userfiles/files/rasekifisebetalogekem.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/13523081991.pdfIn PDF document text
  • http://vejwun.cz/images/begejilovukexujekon.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/71219038642.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/t9f3bd304125lo0hd65n447kkq/78116729178.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/2ec5bcd4b3409a5948eba3dd404abe27/nozagabapog.pdfIn PDF document text
  • http://affordableadobe.com/ckfinder/userfiles/files/pimeduvijekefub.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/xakibanowiju.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/9j75qcccf7g90dg739lmc0je7r/89672653603.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607284b5e9385---36999541828.pdfIn PDF document text
  • http://childhood-matters.com/clients/49507/File/zefaduvijoziz.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/bedukoliribijegudo.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed2ae36142---16397927369.pdfIn PDF document text
  • http://noahsmarinesurveyors.ca/userfiles/file/dodesubovima.pdfIn PDF document text
  • https://cjsc.se/ckfinder/userfiles/files/jisejaguxozagozamekedimuf.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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