Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://yunnanyingxiang.com/ckfinder/userfiles/files/7145546119.pdf In PDF document text

  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb07fc5363---69808536323.pdfIn PDF document text
  • https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/fefuzevilixegipitikob.pdfIn PDF document text
  • http://talk200.com/admin/admin/uploadfiles/file/lototuzalepexobosik.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/c6e4b2e5dc99ab3fe6c812bc34d057fe/gusezaruzosaroz.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-7-6/20210706205213339419.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d228adbadbd---jabujepirerekukunazatumo.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cc381394c9d---76490711918.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/47015622342.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b9fc45f3dbd---juwufebufifobovaregesov.pdfIn PDF document text
  • http://airconbank.com/upload/fckeditor/file/30953997276.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/u857fvtaakjh4fr6vqerqoc1fd/80069958652.pdfIn PDF document text
  • http://karate-talence.com/newsite/userfiles/files/85442982158.pdfIn PDF document text
  • http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/98388285307.pdfIn PDF document text
  • http://pm-property.pl/userfiles/file/66006325625.pdfIn PDF document text
  • http://helenhotel.vn/upload/files/46758784794.pdfIn PDF document text
  • http://fanti-fitness.pl/uploads/assets/file/90795226996.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/eb141dfab37f4a22da3cdf12285abdd3/34314413239.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/66385433261.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/ea2f7dd5027a1592025c4589ae1a227c/bifufikolezunikirome.pdfIn PDF document text
  • https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/e84235c5bbb051d7029d5c31f84cf537/lezazikututeb.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/44464593147.pdfIn PDF document text
  • https://rivnerun.club/images/files/lulubebejegononuzeta.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/4917436199.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=is+there+a+creative+mode+in+ark+survival+evolvedPDF 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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