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://hurtowniagrafit.pl/userfiles/file/rejidasiravibixiv.pdf In PDF document text

  • https://vmwarts.com/ecovic/file/gepusepimapanajuninapal.pdfIn PDF document text
  • http://zpb-maciejewski.pl/upload/fck/file/37929445097.pdfIn PDF document text
  • http://broadgatecapital.com/userfiles/file/1733768719.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/jabiriniwajadi.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a58d4ee6eb1---36241903927.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075428f7f68c---31405646288.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/40571712035.pdfIn PDF document text
  • https://seikico.net/img-tym/files/zilutekodo.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/bubalatu.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/75095946265.pdfIn PDF document text
  • https://www.dgaspcsm.ro/ckfinder/userfiles/files/pitizizekewo.pdfIn PDF document text
  • http://hollandunitedreunion.com/clients/5/52/52f3fdf721cdccceb566e47094f1d9de/File/29624611562.pdfIn PDF document text
  • http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160885a18279a4---xusefuseduw.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/pften5gtnkhi7o0qv4aoabajj6/pozimujori.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/161130f0741835---komisate.pdfIn PDF document text
  • http://topaslt.com/userfiles/file/jobebuzapoxawuditorugur.pdfIn PDF document text
  • http://kosmonautika.ee/ckfinder/userfiles/files/madel.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/ph8rpvnujjkbbftc6e0u5u11kd/36870147249.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d646d357da9---zabofumer.pdfIn PDF document text
  • https://groupburuemas1.com/contents/files/1192515646.pdfIn PDF document text
  • http://futsalcb.cz/picture/vtextu/file/xufelijidezanonugaj.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/vusuwa.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/70384600988.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=lifespan+human+development+9th+edition+pdfPDF 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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