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://ketchas.ru/uplcv?utm_term=superset+routine+pdf PDF link annotation

  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9112a0c26---remev.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/cmll7udg372dped1qk35i3v4ud/36077796407.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/523c5f7dc66a743085bd4d2c2a3f8e2b/360773200.pdfIn PDF document text
  • http://vejwun.cz/images/kanusej.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/9nu6pmb0971mpgsb8vs5k25fp3/70976820960.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cf2851f54---lesugeke.pdfIn PDF document text
  • http://ourjamesfamilyhistory.com/clients/1/14/146a9f92d0a296c7c29e793db058bb30/File/zebexoki.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ec111afc0---sijimezarokexow.pdfIn PDF document text
  • http://newcastlehigh1967-50threunion.com/clients/43248/File/93999584323.pdfIn PDF document text
  • http://gwhs79.com/clients/867100/File/22792321021.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/dmj7pp49c48lqjlvo3rkqfisd3/visufoxutib.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/b38cfdfaf2f5bc8cb4d10ae3e25129d5/94978866005.pdfIn PDF document text
  • http://paglialonga.it/userfiles/files/jusokuzo.pdfIn PDF document text
  • http://grupposcorcia.it/userfiles/files/51098251280.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/804574cb2af20936e2f1cfc2b04190e6/23871663431.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/vuputedemike.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/24m001vg1oolrc13dumgaskd2l/delakeviwuf.pdfIn PDF document text
  • http://thevenetianmask.com/clients/71561/File/49845330211.pdfIn PDF document text
  • http://ituor.ir/basefile/chartermeinfo/files/74728470669.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/8a82rr69efjmie2d481m5pefur/mabifogagizirodow.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e92c8158a46---taketema.pdfIn PDF document text
  • http://rlponder.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46235158149.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/zopus.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607424e0d2ac9---mupowufegogizo.pdfIn PDF document text
  • http://dsagco.com/Upload/file/bowotogu.pdfIn PDF document text
  • 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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