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://philabc.ru/uplcv?utm_term=advantages+and+disadvantages+of+communicative+language+teaching+method+pdf PDF link annotation

  • http://jfhconsultancy.nl/userfiles/files/95116673790.pdfIn PDF document text
  • http://alarmy-kamery24.pl/userfiles/file/dowok.pdfIn PDF document text
  • https://europartner2.pl/uploads/xefogubukenus.pdfIn PDF document text
  • https://virtualpulse.eu/UserFiles/file/78673585840.pdfIn PDF document text
  • https://visualarchive.bg/files/fiwatiludutikimero.pdfIn PDF document text
  • http://gocchame.vn/app/webroot/img/uploads/files/vebixup.pdfIn PDF document text
  • http://normel.org/files/upload/file/76539636066.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/ecfa0c43b59db17f871c88a1f41108ea/55302586605.pdfIn PDF document text
  • https://aznamaste.com/ckfinder/userfiles/files/93695820898.pdfIn PDF document text
  • http://cancercareresearch.com/userfiles/file/97963516720.pdfIn PDF document text
  • http://canvangdientu.com/images/file/lanepumabefijo.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210623012502_383141473.pdfIn PDF document text
  • https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/60b5aa13c97eddf559b3a352c99eeafc/95496954760.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/o8cn2mmss321hkcfoac075f2nn/doseletutidisi.pdfIn PDF document text
  • http://bestapp4u.com/admin/uploadedfiles/file/delimelimasadiwudiduxol.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c46c88a65f1---70497661528.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/409d06b7b69ada05eafab49f4b4e87b8/weziwijugef.pdfIn PDF document text
  • http://dopuskvsro.ru/UserFiles/wiluforuwezesajupezosa.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a63fd89faf6---81382434177.pdfIn PDF document text
  • http://uzmansporzeminkaplama.com/resimler/files/redufibelugubigan.pdfIn PDF document text
  • http://robwalker.net/fckupload/file/219554912.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a23ac4de50---wejubida.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e5c7979a0d---11289903737.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/22606395378.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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