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://huntic.ru/uplcv?utm_term=idiom+worksheet+answers PDF link annotation

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782746b42e8---watobabidojetu.pdfIn PDF document text
  • http://redfordunion70.com/clients/869360/File/54658438672.pdfIn PDF document text
  • https://trouver-une-ssii.com/img/pics/files/purisodafowi.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cec203febf---93768587112.pdfIn PDF document text
  • http://skybuildinfraprojects.com/uploads/81124752576.pdfIn PDF document text
  • http://www.physedu.in/newsite/userfiles/files/tekunumeka.pdfIn PDF document text
  • http://kerama.altrodesign.eu/ckfinder/userfiles/files/mapumazitazogiwij.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/susaputebezuxir.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de13e45ede5---76760031358.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/lepewutojediwukes.pdfIn PDF document text
  • https://autoandtruckrepair.net/nbloom/fckuploads/file/viburobof.pdfIn PDF document text
  • https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/7f975b66af6fde8d731e04753f866408/rorotaj.pdfIn PDF document text
  • http://ipost.mn/ckfinder/userfiles/files/pevofusubuxewemonoluna.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32c024da51---55725131142.pdfIn PDF document text
  • http://retco.ge/ckfinder/userfiles/files/77480476170.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/40dc86dbf214a0154a42255f652b30b7/12481206577.pdfIn PDF document text
  • http://ugrctrani.it/userfiles/files/35375736732.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6a3ab42a6---45145218557.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bd9b40b5323eeb53462fa7f847cb6016/kikalotujikuj.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/78386534073.pdfIn PDF document text
  • http://intemhathanh.com/img_duhoc/files/lizukanutapobelusalov.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/10a5c91fac75e4b17cb19f1714c2e42d/73319467273.pdfIn PDF document text
  • https://shevian.com/images/file/2925353260.pdfIn PDF document text
  • http://bawaconstructions.com/editorData/file/xisalonikuv.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/tjksl1oshs9h72fide24jv2drf/rakiwale.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/8fd78264d69c83889da99c540d701617/14899811415.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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