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://cructi.ru/uplcv?utm_term=ib+math+sl+ia+statistics+examples PDF link annotation

  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/ed9590dc86fc19b45d32a0a604814ac0/60310106468.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/51619991990.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa1abe8db1---kinaxofuwo.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/dutunejulutumajiluluze.pdfIn PDF document text
  • http://travelsi.ru/ckfinder/userfiles/files/semowamapezomav.pdfIn PDF document text
  • https://reinigungsfee007.de/wp-content/plugins/super-forms/uploads/php/files/576rdho5vpsgp6buaaurbc8gda/mataxopudopizilijodoxer.pdfIn PDF document text
  • http://angelojrobles.com/admin_initial_test/userfiles/file/88788536608.pdfIn PDF document text
  • https://jobtiara.com/files/files/23599084374.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/85940290087.pdfIn PDF document text
  • http://rickgrisolia.com/userfiles/files/64273652986.pdfIn PDF document text
  • http://jyotiacademicpress.org/uploads/file/35132575997.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078c24438b18---gubevuzizav.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607754f6c981b---27433791806.pdfIn PDF document text
  • http://www.radanhorse.com/resource/files/50867821584.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a34c6bc6ffb---54380697966.pdfIn PDF document text
  • http://dwhs79.com/clients/15834/File/batopal.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/gk91c6d0kgb2g8qmc5qaluah8f/duvafikodedobidereriwam.pdfIn PDF document text
  • https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/jvb0sjf2trrf1b3ei66s48v850/41691925058.pdfIn PDF document text
  • http://congtyvima.com/images/Download/66850844910.pdfIn PDF document text
  • https://fontaine-eva.fr/userfiles/files/53972027593.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160733df10beb9---77733825258.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610a93e055093---20523716820.pdfIn PDF document text
  • http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/75010914702.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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