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 http://chixue.com/uploadfile/file/20210522094428.pdf In PDF document text

  • https://atvatextile.com/upload/ckfinder/files/gejum.pdfIn PDF document text
  • http://shengyaweb.com/uploadfile/file/2021072503450030.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7ee90a373---42622334022.pdfIn PDF document text
  • http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608c260ab1315---fejoxovokebufu.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/0c43efd7d0906df1286b93a6c5d09973/72525204313.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/7019cab615e19b1d060e38c722ec6d9a/gavorobodifezixebojapulef.pdfIn PDF document text
  • http://xn--2vxr09c6mc.tw/CKEdit/upload/files/zabunobun.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090f2d2de68d---16438140247.pdfIn PDF document text
  • http://abwplazaview.com/uploads/files/2947986421.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/fodalilaranopef.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/f2e554be2705b17fd8d75912e4685e96/70365349589.pdfIn PDF document text
  • https://terminarz.online/kosmetyczka/krakow/files/nakapi.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/1ivia60ee3qm5shphpq8u6lqk3/jewufuxuwulozexiku.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607270f02709c---peturapesasivel.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607216facb03e---fawezonojobutejiwexitax.pdfIn PDF document text
  • http://wujipacking.tw/upload/files/2708400930.pdfIn PDF document text
  • https://karolinanowak.com/userfiles/file/muwajifakenozezepawepelaz.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ac9a6a45a---16727303663.pdfIn PDF document text
  • https://agrimal.pl/userfiles/file/binelewojisire.pdfIn PDF document text
  • http://vencedor.coop/images/admin/file/dogalob.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ad55265e5040a1ed1e1d6df36b4fad21/tojavopufeligumos.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/6v86lo3me1bq9vpp4kmr9b2v05/2201910922.pdfIn PDF document text
  • http://lesen-und-schenken.de/userfiles/files/vifimegevuziwo.pdfIn PDF document text
  • https://invest.pl/userfiles/file/35489071725.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=data+abstraction+and+problem+solving+with+c%2B%2B+6th+edition+solutions+pdfPDF link annotation
  • 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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