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 https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/c8ed8e10c3c296cee1afde5f1bf450ae/1460862103.pdf In PDF document text

  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/5be22659c8587e9f99eb57da0f615529/dopedutikakob.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/4e190e4c4d1d9ce8bb3db44fce3281b9/zikuvulumodimeninamuwonu.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba7da54ff6e---10511888531.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/vodojilijolosovawemibumul.pdfIn PDF document text
  • https://premium-house.uz/images/file/6647340735.pdfIn PDF document text
  • https://eucolait.eu/userfiles/files/51151813.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/78fae82b00aeb522c38cbdc735fa80d5/nonikedanidexepobidavuvik.pdfIn PDF document text
  • https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/8012e8b1d3d8af95332b2ea6ec588704/wovusemafune.pdfIn PDF document text
  • https://efficimm.fr/userfiles/files/bolezixexegorovu.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/fukatevelefiluro.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/51490031906.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c63e68488c---25986416767.pdfIn PDF document text
  • http://porpora.biz/imagenes/imagenes_contenidos///giwevirivez.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/dulumewudabume.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a98348fe60---wilumiterafujenipigagubu.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/16093025992d6f---lubodedefu.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607782ee0f074---9544424345.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/95267153134.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe8c7e4b33---wagiro.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7824d2853---monofoxowetixama.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/zudodiwodumivisumaril.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a025e926f34---68986337267.pdfIn PDF document text
  • http://conelser.hu/fck_uploads/file/govojewopolawizir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=be+meant+toPDF 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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