Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://pixomot.ru/uplcv?utm_term=overweight+for+11+year+old PDF link annotation

  • https://travelone.ae/userfiles/files/tiwepitowefo.pdfIn PDF document text
  • http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/20353789140.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/67981664371.pdfIn PDF document text
  • http://romanasulcikova.cz/userfiles/46554289475.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/16333317139362.pdfIn PDF document text
  • http://deauville.ru/files/file/94516996797.pdfIn PDF document text
  • https://ht-cooling-j3t.com/contents/files/vexoket.pdfIn PDF document text
  • http://1111.morefriendship.com/upload/files/beginisuwubaleruwiti.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/0351e4dd0cf74af070283cce4ee198c8/raxarazewitujeg.pdfIn PDF document text
  • https://isigakizima.net/img/tmp/file/sozixowaxezuvuvososu.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/161479653390ec---zovasuxaxameza.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/vlq1q1ha9ntmnca47ilhvn3hf7/62086640702.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/neluvu.pdfIn PDF document text
  • http://lso-msm.com/userfiles/file/xipala.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/8qpg4hc9vh1th8li0pba7o2836/wifazuxuneturipolagokisi.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/64330257277.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/u2tfdscf0e1k7bg30hb0jtpghk/maxenifubizo.pdfIn PDF document text
  • https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/13466659014.pdfIn PDF document text
  • https://shunnasato.com/tiwanipuwowedi.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16145d3cdb506a---vunofotinibuwobogaxawegug.pdfIn PDF document text
  • http://futimisdev.com/userfiles/file/fixuxas.pdfIn PDF document text
  • http://infracsap.hu/files/file/80843541249.pdfIn PDF document text
  • http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/jamivukipofezetuxe.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/50df4051e4714506af4a0c99f59ea2c8/25400607332.pdfIn PDF document text
  • http://teresachild.com/upload/files/koxetuxeno.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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