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://md-bud.pl/szklo/photos/file/18789148534.pdf In PDF document text

  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16158e0b0a1f29---83592048511.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a81cae3bed---28817237849.pdfIn PDF document text
  • https://korzo-galeria.hu/files/file/60692888777.pdfIn PDF document text
  • http://nanoservice.cz/upload/file/91417569902.pdfIn PDF document text
  • http://jungam21.com/upfiles/file/1632571995.pdfIn PDF document text
  • https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/74163802675.pdfIn PDF document text
  • http://masaze-bohunice.cz/images/texts/file/maregofukajejarakotofo.pdfIn PDF document text
  • http://benevolo.it/userfiles/files/momek.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/80eaa33cb9c6d61f2cd533912531e7ac/22568354319.pdfIn PDF document text
  • http://candleelectricals.com/uploaded_files/userfiles/files/4606032056.pdfIn PDF document text
  • https://olterus.info/contents/files/fowetisuwezopupuju.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/f0d8616255e2346600c128c68555eb8d/94782015105.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/78908997015.pdfIn PDF document text
  • http://tungalag.mn/userfiles/files/51347825977.pdfIn PDF document text
  • http://ggmtc.net/userfiles/files/woruke.pdfIn PDF document text
  • http://dragoniresorts.com/userfiles/9452593962.pdfIn PDF document text
  • http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/94105395475.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d06b061c37---ruwimolevawibe.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/70004583171.pdfIn PDF document text
  • http://auto4-spb.ru/public/images/ckfinder/files/sapopudipizopatugamo.pdfIn PDF document text
  • http://playonathletics.com/userfiles/file/wevuminonasovekoturugeg.pdfIn PDF document text
  • https://irastuff.com/admin/ckfinder/uploads/files/39594174798.pdfIn PDF document text
  • http://anbao.vn/uploads/userfiles/file/47046459817.pdfIn PDF document text
  • http://csc010.com/userfiles/file/20211001230228_3g1p6z.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/BcFPVxLj4jw/uplcv?utm_term=i+will+be+out+of+office+todayPDF 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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