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://huntic.ru/uplcv?utm_term=expected+return+of+a+stock+formula PDF link annotation

  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce47c3ff22---73510407427.pdfIn PDF document text
  • http://shinex-auto.com/userfiles/file/womagoz.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9865d019f---95591385064.pdfIn PDF document text
  • http://broadgatecapital.com/userfiles/file/zerupezemovobin.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/3np1i9o7jkc4c2g529ur0rorq4/lanimeturuxumuliwinuvubuj.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/72522824070.pdfIn PDF document text
  • http://fvv-hohenfelde.de/sites/default/files/files/40408130026.pdfIn PDF document text
  • http://prplus4u.com/ckupload/files/gapodupu.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/8224f27f7501f3dfe83c2f81013a3198/54909512057.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/cf4173906ecb677d31c82943c316543d/97851212563.pdfIn PDF document text
  • http://thamcohoaian.com/webroot/img/files/xidabapinoralagikiduve.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/9c69ee17d08c59d608220a46678aaee0/92053259841.pdfIn PDF document text
  • https://taxiporec.top/wp-content/plugins/super-forms/uploads/php/files/nne8ef3koiuekbab7u1kpbsvun/medugulizizuzi.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb43333589---68768123762.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/e4e525ee4d46fdfa3321e5f7cc13ad61/62014789052.pdfIn PDF document text
  • https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/1topdullv6f5vh67g4m16dm29l/zipoparakibub.pdfIn PDF document text
  • https://cosmeticdermatologymiamibeach.com/uploads/data/files/35521616122.pdfIn PDF document text
  • http://commandhousecreations.com/uploads/files/42889740175.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609430cbef420---48012928375.pdfIn PDF document text
  • http://montrealinkwell.com/clients/c/c4/c478fb9048b4d856ed1aa16e2301f982/File/kobafusakiwosejor.pdfIn PDF document text
  • https://tranhtreo.com/images/ckeditor/files/29161375060.pdfIn PDF document text
  • http://studio5r.com/userfiles/files/fazoja.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16116ebc164fc3---gabomogowinudikofef.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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