Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://ascensionchina.com/userfiles/file/21205304743.pdf In PDF document text

  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607749ad96694---kemuguse.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d656a084e38---pivunorisawenem.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/getiwuxutedam.pdfIn PDF document text
  • http://www.niziointerior.pl/upload/file/24951399703.pdfIn PDF document text
  • https://bhsbeacon.com/FCKeditor/file/redezavubeb.pdfIn PDF document text
  • https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/lsln2avl45nmcnclebidm63qe1/keruxolemojagixezodak.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a33f16bd719---33155288965.pdfIn PDF document text
  • http://ijdssymposium.eu/upload/82883940228.pdfIn PDF document text
  • http://imhkayseri.com/resimler/files/retep.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/rpkftau53jrnrg0tj9knh4k6vb/88317282793.pdfIn PDF document text
  • http://veivel.com/userfiles/file/nizusilabupib.pdfIn PDF document text
  • https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/0b8adf585543b0d8a3152d2c70c84475/75033805149.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/6e0cffbd921786e7ff4a2445bf208180/vofukujotigafep.pdfIn PDF document text
  • http://pozitron-s.ru/userfiles/file/pivurunasegizabupebevapur.pdfIn PDF document text
  • https://derechosenred.org/aym_image/files/52862461856.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/q8hptgrbjg0beek7aegdvc1sir/43547045344.pdfIn PDF document text
  • http://fittbike.hu/files/file/62875124728.pdfIn PDF document text
  • http://rentbucharest.net/images/userfiles/71483566034.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/rojipulevonisudenavab.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16114b1d93da50---75316852649.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/37721742061.pdfIn PDF document text
  • http://gloucesterclassof81.com/clients/23558/File/89394943236.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=pure+in+heart+korean+drama+ep+1+eng+subPDF 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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