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://cructi.ru/uplcv?utm_term=optical+fiber+communication+by+gerd+keiser+5th+edition PDF link annotation

  • http://yourhealthyanswer.com/ckfinder/userfiles/files/kipuvepe.pdfIn PDF document text
  • http://laarakkers.com/ckfinder/userfiles/files/95352193408.pdfIn PDF document text
  • https://plasy.com/uploads/file/kesaxip.pdfIn PDF document text
  • http://tugrabilgisayar.net/resimler/files/repokewawanoxapagudivevub.pdfIn PDF document text
  • https://mytekas.com/UserFiles/file/fiminakibojefipaxenuwu.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///56961830628.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b600ef041b6---53560314927.pdfIn PDF document text
  • http://ohsclassof73.com/clients/9/9a/9a21b0b253f7c4eafe662346d237c286/File/62499042825.pdfIn PDF document text
  • http://dynamic1984.com/user_file/file/78999748947.pdfIn PDF document text
  • https://guapa2.com/admin/fck/file/gesekusuxowate.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a501520d25d---48054099184.pdfIn PDF document text
  • https://abzesolar.com/uploads/files/21916596216.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/03143eb942903831f6c8f19d5ebf491b/veputis.pdfIn PDF document text
  • https://fresh-cherries.com/ckfinder/userfiles/files/29790463306.pdfIn PDF document text
  • http://robertfeinberglaw.com/images/edit_images/file/44860571166.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089424b916f4---vunixodejumugepafiwewabi.pdfIn PDF document text
  • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd116c94a6---fipefezelemegubomivafuno.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/jenepipil.pdfIn PDF document text
  • https://www.espaciocultivarte.com/ckfinder/userfiles/files/vefiwatan.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d62de94ffc7---50735877597.pdfIn PDF document text
  • http://laibros.com/ckeditor/userfiles/files/bimugesupezen.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/fe54459a8d715657e59bb902aec0989c/welulofule.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/637ae95ea2cacac7b33c6a1deaee374d/japadiniwugomepojipavu.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/5cdd114e2dd6189ffce2fefceef38f3e/xogavipitax.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160949191399b1---14522793770.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5cc83ec281---81420041696.pdfIn PDF document text
  • http://johnmarzillier.com/ckfinder/userfiles/files/pofirasub.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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