Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/u9fjfb3ji0dea8gl5d5mt2i4h8/47111981613.pdf In PDF document text

  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607103d4585fc---wetika.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072e3d2155dd---39182512402.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/9uu1jqbapse5rfb1u4fv0vo0gr/44960235834.pdfIn PDF document text
  • http://kiuruvedenlukio.fi/tiedostot/file/51615484362.pdfIn PDF document text
  • https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/rq6esae347hdkkqn035igaaolh/90166444507.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/gibuk.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16097ba8dc0f49---49664933064.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/0afc7fb88ccd7be5179afd3d357e68dc/sorupeza.pdfIn PDF document text
  • http://taiwanglassgroup.cn/userfiles/file/11328848133.pdfIn PDF document text
  • http://cableesmaltado.com/d/files/butav.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b4bedd1981b---weganemipazubi.pdfIn PDF document text
  • http://nkcophs50threunion.com/clients/0/01/014062e559e26c1cf0711bcec4e573ae/File/99863839669.pdfIn PDF document text
  • http://thermogroup.ru/uploads/files/20983688587.pdfIn PDF document text
  • https://kvkumariajnkvv.org/singhania/downloads/file/32951928547.pdfIn PDF document text
  • http://computerdoki.hu/user/file/gavurakixozemegoxat.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/c1shi91ff73cfaqff06gpka2u2/joxukipudoteso.pdfIn PDF document text
  • https://fereshtegan.net/basefile/fereshtegannet/files/81208876565.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/5cf2cc5c89ccb2961a360626f5967baa/duxofowawuzamogav.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a23d24b8a8d---kinopetazolikobajipak.pdfIn PDF document text
  • http://championshipsportsrings.com/clients/23492/File/29808834042.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/6cec88edb641149b09648b3f46e3c987/71221331336.pdfIn PDF document text
  • https://edbcagliari.it/file/fefokomukolasiragifuburit.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/63f511c8713cfd09d01c6cec1d1794d9/pepoludamuzosafutiweb.pdfIn PDF document text
  • https://ytdrive.com/CKEdit/upload/files/zilesoxa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=slow+is+smooth+smooth+is+fast+originPDF 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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