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://chcial.ru/uplcv?utm_term=18.9+kodi+addons PDF link annotation

  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161317e4124b5f---84310162902.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/85783733720.pdfIn PDF document text
  • http://srividyaastrology.com/userfiles/file/jojavivalifegemop.pdfIn PDF document text
  • http://salman-group.com/userfiles/file/84545419546.pdfIn PDF document text
  • http://quaretti.it/userfiles/files/dixekona.pdfIn PDF document text
  • http://crmloccitanecr.com/campannas/file/67600633875.pdfIn PDF document text
  • http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/161338b3b9c1c6---90166886464.pdfIn PDF document text
  • http://lpc2529.com/piceditor/file/56463744992.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613b672848728---63331541405.pdfIn PDF document text
  • http://assotechne.eu/userfiles/files/pibewitetomusowelevedamub.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/pozufuruxada.pdfIn PDF document text
  • https://advantagelic.com/singhania/downloads/file/kazusuweganagu.pdfIn PDF document text
  • http://synhbio.com/upload/files/wowofefowul.pdfIn PDF document text
  • http://xn--eyt274i.com/upload/files/gixexikemaju.pdfIn PDF document text
  • https://ringid.vn/ckfinder/userfiles/files/15696690522.pdfIn PDF document text
  • http://www.taxivanclass.com/uploads/ckfinder/files/wetetuvi.pdfIn PDF document text
  • http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/65402605596.pdfIn PDF document text
  • http://esistore.com/userfiles/file/358902752.pdfIn PDF document text
  • http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/1491016302.pdfIn PDF document text
  • http://24hnbc.com/assets/ckfinder/core/connector/php/uploads/files/zabowovanog.pdfIn PDF document text
  • http://www.nena-artspace.com/ckfinder/userfiles/files/7660974790.pdfIn PDF document text
  • http://deaprogettazioni.it/userfiles/files/94165650817.pdfIn PDF document text
  • http://residenzaeden-albisola.com/userfiles/files/81926474436.pdfIn PDF document text
  • http://bdpq.hungminhits.com/files/uploaded/files/71176279598.pdfIn PDF document text
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/gugukolukexi.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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