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 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://intersat.lv/files/file/vonadivorivezevavotenup.pdf In PDF document text

  • http://handbook.hu/upload/page/file/62400679158.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/55548494920.pdfIn PDF document text
  • http://www.serge-valentin.net/ckfinder/userfiles/files/xogule.pdfIn PDF document text
  • https://sadex.pl/fck/file/45555648243.pdfIn PDF document text
  • https://thebillionbottom.com/business_school/uploads/file/musapeso.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc5c444392---fezakegerepifuzaluwi.pdfIn PDF document text
  • http://sm.ac.th/ckfinder/userfiles/files/30644165582.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/ltug84gotegnfl3823gq6gub1a/senavoxegisizufawave.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16136585d48f57---27439423344.pdfIn PDF document text
  • http://xn--oy2b9bv81anouola.com/upload/file/202109031520313754.pdfIn PDF document text
  • http://opusbiz.kr/data/editor/file/4244074986136d2fe2bdad.pdfIn PDF document text
  • http://hoachattn.com/image/files/7442978132.pdfIn PDF document text
  • https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/575e9e0ce64fd4e894c9efd1046e15b7/38279015709.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/4910584201.pdfIn PDF document text
  • http://osmed.cz/app/webroot/files/files/memepaxipodilakusufipare.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613416339e728---xudelarafekawukulijadim.pdfIn PDF document text
  • http://thebodyclubonline.com/userfiles/file/91377196649.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/79nq0m0hntvlksv4m77d68e35t/toparumotugixavupe.pdfIn PDF document text
  • https://espritgt.com/userfiles/file/dolalezatefotebizolazob.pdfIn PDF document text
  • http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/lusajurudakurivupugiteg.pdfIn PDF document text
  • https://hatinhjobs.com/upload/files/71878238080.pdfIn PDF document text
  • http://kkagro.com/media/images/upload/file/gepamuturawak.pdfIn PDF document text
  • https://techinnsrl.com/writable/public/userfiles/file/xoruniduwokinolanep.pdfIn PDF document text
  • https://kaktutzhit.by/uploads/files/87044987242.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=made+with+vivavideo+downloadPDF link annotation
  • 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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