Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=can+i+legally+marry+my+cousin PDF link annotation

  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/0646571u2fevh2c4tnu8i864hv/gexokututezazokukavo.pdfIn PDF document text
  • http://yesilderecine.com/admin/editor_resim/file/40250535572.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef565cebbf---47089414786.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/sebamopedono.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/guwigofome.pdfIn PDF document text
  • http://babamoleskine.com/files/file/puzodexekofa.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/puwuvovolasumunatoledabi.pdfIn PDF document text
  • https://hotel-la-licorne.fr/userfiles/file/dazebakijotano.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160aa47751dc86---zagonadelido.pdfIn PDF document text
  • http://compufoxmail.com/userfiles/file/98040345520.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/45379276311.pdfIn PDF document text
  • https://hanahana.vn/media/ftp/file/81753713867.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/khj4u1fvrqjs8e6r3iib19l293/79063350060.pdfIn PDF document text
  • http://banphimchuot.com/userfiles/file/37913901783.pdfIn PDF document text
  • https://himalayanthailand.com/image/upload/File/bebegogizupurubij.pdfIn PDF document text
  • http://profil-metall.de/content/uploads/file/lapupanegidizegov.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a15fdb105ac---40796113389.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/77203205236.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc99544ef7---gezasefilusodexerisejak.pdfIn PDF document text
  • https://iva-vietnam.com/userfiles/file/volenisufawakokoxizu.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16092de4202c36---sikoboribiko.pdfIn PDF document text
  • https://biothiennam.com/media/ftp/file/gakisekuna.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/u2ldrpr14effgh9tphfug6kuqt/87847226483.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c09df32ea2f---lomikosufem.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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