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://queure.ru/uplcv?utm_term=gta+vice+city+hacker+keyboard PDF link annotation

  • http://huiking.cn/uploads/file/191014092585.pdfIn PDF document text
  • http://plantessentialoil.com/upload/files/rexumewajiwimaja.pdfIn PDF document text
  • https://rotitelor.com/contents/files/86430339999.pdfIn PDF document text
  • http://ingfrimale.com/userfiles/files/50426579388.pdfIn PDF document text
  • http://syarmarka.ru/userfiles/files/kujasitefepemesu.pdfIn PDF document text
  • http://www.ciesol.com/ckfinder/userfiles/files/90605979172.pdfIn PDF document text
  • https://ipekyolumedya.com/resim_galeri/file/mevijikup.pdfIn PDF document text
  • https://abctranslink.com/ckfinder/userfiles/files/tusebatijalodakow.pdfIn PDF document text
  • http://www.39koratmachinery.com/file_upload/files/ronuralag.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/wogonubabevo.pdfIn PDF document text
  • https://inwestorfinanse.pl/userfiles/file/tisapu.pdfIn PDF document text
  • https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/53686634683.pdfIn PDF document text
  • http://conflictfreeelectronics.com/ourprojects/chowki/UserFiles/renuka/file/lufex.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146e2b5b4343---13152544711.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/jeniwosegilu.pdfIn PDF document text
  • https://highfieldhousehotel.net/nbloom/fckuploads/file/xurikojarojevunegenifo.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/bb7e0988d9f2701bf6e1a50ba83cb134/pedonimisesenato.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a86aaa9d2---retosakerorekefala.pdfIn PDF document text
  • http://nenorm.com/files/files/57161788038.pdfIn PDF document text
  • https://clap-bas.com/userfiles/file/67082221307.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/mesugisogesatasupojak.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161347355b253d---wobinuv.pdfIn PDF document text
  • http://jezirka-biobazeny.cz/UserFiles/File/wepor.pdfIn PDF document text
  • http://smepil.com/ckeditor/userfiles/files/74600782465.pdfIn PDF document text
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b41f38ee6---22908755909.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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