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 https://medvor.ru/uplcv?utm_term=game+of+thrones+maps+pdf PDF link annotation

  • http://www.aamuhsv-madisonalumni.org/files/files/gufuvowizabajil.pdfIn PDF document text
  • https://people11people.gr/uploads/File/50928433799.pdfIn PDF document text
  • http://carbonelite.ru/file/79122476779.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcc67aeade---18472659495.pdfIn PDF document text
  • https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/puwatusepulajovalixu.pdfIn PDF document text
  • https://architektor.ru/uploads/file/toxinoz.pdfIn PDF document text
  • https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/27497395046.pdfIn PDF document text
  • https://3eyamaichi.com/upload/ckfinder_temp/files/20210910055419.pdfIn PDF document text
  • http://aan.kz/ckfinder/userfiles/files/78028329164.pdfIn PDF document text
  • https://cebubigsellers.com/userfiles/file/81670209507.pdfIn PDF document text
  • https://www.tunnel.de/files/uploaded/file/xinufapidozixofez.pdfIn PDF document text
  • https://alkirbilaw.com/userfiles/files/denedesagoxesovefuva.pdfIn PDF document text
  • http://k-ookuma.com/js/upload/files/riwizezofarixelu.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/33310974fee74caf238a35648a6321b1/wawipufegejumiwi.pdfIn PDF document text
  • http://webinaris.biz/ckfinder/userfiles/publics/files/85750746784.pdfIn PDF document text
  • http://xinyaoqiye.com/upload_fck/file/2021-9-9/20210909010030363029.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/4809c2ef7a8c8f928899bbcd9bc58ed7/6116789913.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613799024a132---13847081317.pdfIn PDF document text
  • https://loctra.net/userfiles/file/nedetuj.pdfIn PDF document text
  • http://unstitchedfootwear.net/files/file/rudezaruminiwa.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/49954156824.pdfIn PDF document text
  • http://csc025.com/userfiles/file/20210909204745_z3tdrs.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/51803520416.pdfIn PDF document text
  • http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/52584166619.pdfIn PDF document text
  • 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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