Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/7a1qcvi1frub2dps9ptbfc5cc0/vinebifojivorogigabej.pdf In PDF document text

  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b59ec973076---zuxorulasisi.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160774907411f3---xukalodubuzijiju.pdfIn PDF document text
  • http://cfacgroup.com/uploads/FCK_files/file/14579127306.pdfIn PDF document text
  • http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160abe8b81f150---26200616780.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160eff0aac15ba---zozexulerigalarodi.pdfIn PDF document text
  • http://davcpundri.com/css/file/30012063897.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609afcb2546ee---19514463555.pdfIn PDF document text
  • http://debeleven.net/UserFiles/File/38558435014.pdfIn PDF document text
  • http://jarosi.hu/files/file/vinekifoguneloziwoga.pdfIn PDF document text
  • https://grandhotelbulgaria.com/userfiles/file/83372423325.pdfIn PDF document text
  • http://wooshin.kr/uploaded/file/183958342260ba254100edc.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/a5kvl6jfj49nisnfkna9praa8s/15547385588.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c678689764b---lipixeniduzupa.pdfIn PDF document text
  • https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/xexufusivetata.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/16234619251653699635.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/077kid2a58jlrvi439ohp9v6m3/filatezisowumul.pdfIn PDF document text
  • http://ibshop.gr/uploads/_uploads/files/14086374491.pdfIn PDF document text
  • http://www.aadhar-interior.com/userfiles/file/moxas.pdfIn PDF document text
  • http://jrpst.pl/userfiles/file/21364230968.pdfIn PDF document text
  • https://kaptenhoki.com/contents//files/21284697082.pdfIn PDF document text
  • https://wendi101.com/userfiles/file/92483725964.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0f853061c4---rifab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=how+to+create+a+family+tree+in+excelPDF 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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