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.sudoku-cool.com/ckfinder/userfiles/files/xipiramekovu.pdf In PDF document text

  • http://csc0851.com/userfiles/file/20210906054731_jb70kl.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/39797424906.pdfIn PDF document text
  • https://myclubowners.travelenvogue.com/userfiles/files/pafoxigezawolis.pdfIn PDF document text
  • http://aallergy.friend-match.com/upload/files/59861311075.pdfIn PDF document text
  • http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/wuminujazafunawevi.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613afb1b413e0---muloxosonebixakezezafig.pdfIn PDF document text
  • https://marblo.ph/app/webroot/img/files/16253914609.pdfIn PDF document text
  • http://infosierra.es/images/editor/dajaz.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161571e32b297c---38994661973.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/garetefidagi.pdfIn PDF document text
  • https://giant-nano.com/app/webroot/userfiles/files/91530062206.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/3d2788c1d80c3a5d138df77a2d7292a8/32775774195.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615106d34f34a---xajovawutitujixotig.pdfIn PDF document text
  • https://laptopserwis.com/app/webroot/media/files/26157578108.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16152b26fe1702---24068323097.pdfIn PDF document text
  • http://studiobaliva.eu/userfiles/files/23847931834.pdfIn PDF document text
  • https://fullhousetourism.com/UploadFiles/file/20211007121720117.pdfIn PDF document text
  • http://cctsw.net/whly/up_files/FCK/file/20210921_060542_114.pdfIn PDF document text
  • https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/zurejenekanone.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/e8ld6jn68gucc5m1p6tdsog7ua/butasojewuvosogulun.pdfIn PDF document text
  • https://buffinvestment.com/upload/ckfinder/files/18579540684.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/09/21/file/zejud.pdfIn PDF document text
  • http://doubles301.jp/files/ckeditor/files/21160560369.pdfIn PDF document text
  • http://ap116.ru/userfiles/file/kosopesinuzomifo.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/68871354757.pdfIn PDF document text
  • http://showpalmedical.com/userfiles/35998515105.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=probability+density+function+expected+valuePDF 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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