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://synerhu.ru/uplcv?utm_term=awesome+funny+gif PDF link annotation

  • http://hnspkjx.com/d/files/filavupuwasovudewekumok.pdfIn PDF document text
  • http://location-appartement-venise.com/italie_documents/files/88917229402.pdfIn PDF document text
  • https://oklasik.com/ckfinder/userfiles/files/5043187624.pdfIn PDF document text
  • https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/e0c84c2e640a391b55740f3b00414bde/zujuvoginakupul.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d46b13d410---88418581761.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160900dc9d4891---wasisebotabagonixivuwe.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c6136e5fb43---zobuxonadegorudu.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/16982732551.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e4131a3346---27103722.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/mifinagi.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c889f66dfb5---74144643225.pdfIn PDF document text
  • https://communeouchamps.fr/userfiles/file/dijijiwadirafasipivilifi.pdfIn PDF document text
  • http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/nedisuj.pdfIn PDF document text
  • http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/52275174936.pdfIn PDF document text
  • https://aashianarealty.com/file/11840404404.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/43279850214.pdfIn PDF document text
  • https://hojoairport.com/images/file/46123030868.pdfIn PDF document text
  • https://audreyheselmans.com/_files/file/3535602961.pdfIn PDF document text
  • http://soupworld.de/upload/file/remifitewot.pdfIn PDF document text
  • http://zwickerfoto.hu/_user/file/2029682655.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160924f71e53a4---91807226403.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa100bb542---givejuzebikupuzizinitejaf.pdfIn PDF document text
  • http://zonwering-nederland.eu/ckfinder/userfiles/files/jixisojugafebugoxerikom.pdfIn PDF document text
  • https://deltaguvenlik.net/userfiles/file/54395368816.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd4b1738ac---43748312816.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/6aa8bb79ae924e0651f42438ffa61f56/bozezazogo.pdfIn PDF document text
  • https://infiniteprospects.com/FCKeditor/file/gurufusujezinijet.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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