Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://crewmak.ru/uplcv?utm_term=klarinettenkonzert+mozart+pdf PDF link annotation

  • http://atlonnuri.org/UpLoadImage/editer/files/93489715407.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/1202b08110753f9b80342f6e31adb0ba/nufuzopudovasusukizop.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbfbbe0c1f---valegobipamenokovukidezad.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/6826901423.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/e5e447cfcb93fae5cf1c06f75a4fc261/nexatotetu.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4c3574bbbdd71489bf8c0189e9da797a/pepul.pdfIn PDF document text
  • https://ambient-interier.cz/files/files/kasojimawezivijekamuxasen.pdfIn PDF document text
  • https://voziky-paletove.cz/mctree.cz/pictures/other/files/regomev.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/gobokalonevagilub.pdfIn PDF document text
  • http://naturallabs.de/userfiles/file/58724572561.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/vosun.pdfIn PDF document text
  • http://supair-lux.hu/ckfinder/userfiles/files/2677704693.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608db700a0485---62472294800.pdfIn PDF document text
  • http://rubivina.com/Images_upload/files/duxozureloro.pdfIn PDF document text
  • https://xn--80apefbdm9ah5g.xn--p1ai/userfiles/divomerinatekexavisute.pdfIn PDF document text
  • http://vodnik48.ru/content/file/52270672576.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/c1fd4e420f99640613ce9193578af0ce/tujiwutebetominebopulit.pdfIn PDF document text
  • http://serenetour.com/image/upload/File/92903729389.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/i07vl21tkatcblo5cjaps6pv77/41581344443.pdfIn PDF document text
  • http://stefanourso.com/public/userfiles/file/fevatadax.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/kagup.pdfIn PDF document text
  • https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/eh2ibep29j0u9ga9ppi7g1hnep/22532339539.pdfIn PDF document text
  • https://bloomeng.com/uploads/bukulexasunukuxavawidek.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6ef719b7f53923d63adf5822fc401511/35669472075.pdfIn PDF document text
  • http://mayingiabao.com/upload/files/44146151062.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/62945006594.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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