Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://laborke.ru/uplcv?utm_term=infix+pdf+editor+portable+chomikuj PDF link annotation

  • http://1utilaje.ro/mm/file/88124248173.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606f33243f908---59254818789.pdfIn PDF document text
  • http://winteringlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/pufogogubotusis.pdfIn PDF document text
  • http://normel.org/files/upload/file/bubowirufogugadivosenij.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/42e577f06d81a6fc5a548332dd2547a3/70125987050.pdfIn PDF document text
  • http://mothertheresapublicschool.com/userfiles/file/24932780518.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/cqems0748lb7bu7ellgfoef0vo/galezedopuwitijegu.pdfIn PDF document text
  • https://leresto-niort.fr/images/userfiles/files/53639778138.pdfIn PDF document text
  • http://tnshoppingbag.com/upfiles/file/kipomezipatagaterodexe.pdfIn PDF document text
  • http://espressobuilders.com/app/webroot/files/userfiles/files/famefowadumo.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/35084177230.pdfIn PDF document text
  • http://www.groupementpecheduloir.com/ckfinder/userfiles/files/webalutegamesejuxa.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/c8a82bfa5fb55c56f5b6195e35e01f46/3196087062.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/towigiw.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608b562f0429e---wanif.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0a045f8ce6a6f1a9cb7be3f8f593516d/tavesadijuk.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074761f56c99---gadovoripexelifuti.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/a5f24dfdfbe5d0059365a5ee0b527d19/9717014984.pdfIn PDF document text
  • http://3bbb.fr/ckeditor/upload/files/47595228866.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/93083794797.pdfIn PDF document text
  • https://questyme.ca/userfiles/file/sejuxiwabuzobuxonanusu.pdfIn PDF document text
  • http://aotwresort.info/ckfinder/userfiles/files/juzamalejetatoto.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/zamifiwoneselalegakonun.pdfIn PDF document text
  • http://auchli-appenzeller.ch/userfiles/files/3134798361.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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