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://coretry.ru/uplcv?utm_term=bombitup+app+download+apk PDF link annotation

  • https://ksdc.in/userfiles/file/41410948778.pdfIn PDF document text
  • http://rocincorporated.com/domain.com/images/dynamic_pages/file/51052330810.pdfIn PDF document text
  • http://bennett-legal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/22206788278.pdfIn PDF document text
  • http://interstyle.org/content/xuploadimages/file/77588897699.pdfIn PDF document text
  • http://stattus.com/assets/file/9493655136.pdfIn PDF document text
  • https://taiwan-tiaya.com/upload/tiaya_official/files/gopuwalitupabukufov.pdfIn PDF document text
  • http://scpt.it/userfiles/files/52762457530.pdfIn PDF document text
  • http://marmaraisg.com/images_upload/files/guwulatoxasi.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/be439e96be90e98c1cac1f73294b19f5/57295826602.pdfIn PDF document text
  • http://geoman.cz/data/file/tewinikupoxofuwezik.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16131aa60bcc98---62979668217.pdfIn PDF document text
  • http://everbeenmagnet.com/js/upfiles/files/belonolikonubisomopiwule.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147bbba54605---vaxonetuderu.pdfIn PDF document text
  • http://hiro-seiko.com/upload/files/lojurasaguvoregi.pdfIn PDF document text
  • http://kingsap.com/file_media/file_image/file/7501664286.pdfIn PDF document text
  • http://magdrywall.com/project-new/christianbook/upload_images/file/kuvubagudoxasibaw.pdfIn PDF document text
  • http://nesthomes.in/userfiles/file/58098038861.pdfIn PDF document text
  • http://cokhihoaiduc.com/uploads/files/kixuxodusi.pdfIn PDF document text
  • http://spellenindex.nl/images/uploads/58230971343.pdfIn PDF document text
  • http://primaneighbors.com/userimages/19084793223.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614347dfaa71e---zanikawizulugojat.pdfIn PDF document text
  • http://longtra.vn/userfiles/file/vojilipadaxivadixadis.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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