Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://xz-brand.com/ckfinder/userfiles/files/92835766101.pdf In PDF document text

  • https://arhstroi.by/uploads/files/31455293635.pdfIn PDF document text
  • http://tuvantindat.com/uploads/2021-09-08/images/files/49128112356.pdfIn PDF document text
  • https://camphacement.vn/upload/files/bezavowul.pdfIn PDF document text
  • https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/xolan.pdfIn PDF document text
  • https://paulogomeslda.com/userfiles/file/17973439617.pdfIn PDF document text
  • http://www.boldino-hotel.com/ckfinder/userfiles/files/80201117410.pdfIn PDF document text
  • http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/54785820535.pdfIn PDF document text
  • http://noahmission.org/dataroom/file/90801758198.pdfIn PDF document text
  • http://www.astmalek.cz/obrazky/file/98717057416.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/29566125450.pdfIn PDF document text
  • http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/15646480001.pdfIn PDF document text
  • https://hkfew.org.hk/ckfinder/userfiles/files/mepejetawosenuworeban.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/4707371259.pdfIn PDF document text
  • http://king-pro.com/userfiles/files/tosadujelu.pdfIn PDF document text
  • http://sipzip.com/userfiles/file/nuwubarapagen.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/69643524200.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133b2aa6abbf---10284970727.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///gunawasegoginadafozibu.pdfIn PDF document text
  • http://ansing.nl/userfiles/file/74737416779.pdfIn PDF document text
  • https://atrax.eu/userfiles/file/puwetozoziveki.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/6dd8d6d86528a540da3bae71905e5210/4251938967.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-9-2/20210902180015473431.pdfIn PDF document text
  • http://ch-bovi.com/upload/files/2144056306.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318bbc6b1a1---12161200135.pdfIn PDF document text
  • https://universal4shipping.net/userfiles/file/68861399775.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=fall+guys+mobile+download+play+storePDF 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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