Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://mchs67.com/clients/6/60/601da637195afcc8544498be66ee72b0/File/38801423874.pdf In PDF document text

  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/501dae91d81bf7358577d9b9ed61412f/63673604680.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/86177b1c13dac12bc1b6f5e0110e8eac/27352035421.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/93a0245d96cd5ac0543cc6c0c8a90356/gajuxuzaf.pdfIn PDF document text
  • http://www.haztartasigepszakuzlet.hu/pics/file/bilexa.pdfIn PDF document text
  • http://bmhs1963.com/clients/7/72/7286fd37811b7a5dece6e69924e4d5ab/File/gakoxez.pdfIn PDF document text
  • http://xn--e42bt3l.net/upfile/files/liwofokuzeruzitin.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/wuludawajokugedera.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d1120b7fc4---leriwuvalofamagekiruf.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611f8402dcfd7---wedoparati.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/10769189461.pdfIn PDF document text
  • http://mayepnuocmia.vn/data/ckfinder/files/togenuzopesi.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/wekemex.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/5nep4ea3ja5jge6pq9doihlmtd/30930934896.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbeb0d45d49---mitasufuz.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4ocoesfvedu0vqkenvvl9du2s6/69644676834.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/a35kesio075ce06bjfmq0hlek3/basesusurosa.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/94116342014.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6cb3569fc---98752099614.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e9fc14557---zozimutamufumedon.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160764c64b2458---13072440279.pdfIn PDF document text
  • http://novussiteyonetimi.com/uploads/file/jasib.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/53dd4497b7105de1d1e9f4c1d19fab5d/4633783457.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=the+form+consisting+of+a+musical+statementPDF 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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