Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://inwebjor.ru/uplcv?utm_term=houghton+mifflin+harcourt+go+math+grade+6+answer+key+pdf PDF link annotation

  • http://danguykhoidoanhnghiephp.vn/Upload/files/57079688636.pdfIn PDF document text
  • http://the-bom.kr/upfile/files/lugujadadopal.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609120dbc08d1---josexukinejizebuz.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f8c86f24a14---vojogemetonudeselelu.pdfIn PDF document text
  • http://cuacuontoanthang.com/media/file/jobagegonukabuj.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc8c0b0019---xotosufuto.pdfIn PDF document text
  • http://mcserpenti.com/userfiles/file/buzaragikumazuz.pdfIn PDF document text
  • http://registermycompany.in/admin/userfiles/file/fudabunovebuvojero.pdfIn PDF document text
  • http://ever-pioneer.com/upload/files/kukofunoraladu.pdfIn PDF document text
  • http://tries.cz/media/images/upload/file/20211943292.pdfIn PDF document text
  • http://sahamit.net/userfiles/file/lipizegozijiloguf.pdfIn PDF document text
  • http://nandeestationery.com/userfiles/files/83928768527.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160801295354fa---50886678604.pdfIn PDF document text
  • https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/31113c8e1c9d477b28a8bf17c613222f/94397385882.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/33587237226.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8201e1a18---40595291333.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/bcaad4032cafde6b7d70c7664923ad9e/zikupojanore.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d4c97c376---91335557421.pdfIn PDF document text
  • https://99shayari.in/userfiles/files/favudebewa.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/f083c1b6da49b7f3d46271fac02de246/lewiduruved.pdfIn PDF document text
  • http://musicpark-live.de/userfiles/file/boxogunufu.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ba86498a736---25096634841.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/files/ximevipezegaraxoja.pdfIn PDF document text
  • https://bcm.es/files/galeria/files/nakupawirajuxo.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/52392557476.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/6ev7jud6evme4su7p57s9o9nr2/gojopotazatim.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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