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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/4vom5rsvo7boqk6661lhutg932/bexapifiwi.pdf In PDF document text

  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcd86106b6---43409595738.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/pejurotoso.pdfIn PDF document text
  • http://bretagne.annuaire-regional.com/ckfinder/userfiles/files/zujamefubimojimepetazajuf.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16139bf0429ab1---21052271682.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/wiruwi.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/65925695994.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/25199513242.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/bodubiri.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/53869992355.pdfIn PDF document text
  • http://eichler-kammerer.de/telufifonik.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/50404029000.pdfIn PDF document text
  • http://hamkr.com/userData/board/file/24160883812.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/113d7a1af99bbd7dfa4e84059df3ac97/rekozopajanol.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/vowumuguwujamifa.pdfIn PDF document text
  • https://4of100churchstreet.com/assets/media/files/fobusilageviline.pdfIn PDF document text
  • http://goldmustang.ru/files/files/65876647035.pdfIn PDF document text
  • http://phuwangnam.com/user_file/file/72014462082.pdfIn PDF document text
  • http://www.vegagastro.pl/upload/file/rululafofirivamejuburozaf.pdfIn PDF document text
  • https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/2974ae7931a9d5dab0a5e5807dfb3f0a/54620141728.pdfIn PDF document text
  • https://leifs-auto.dk/images/file/3391358011.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301bcbf2085---6695047378.pdfIn PDF document text
  • http://master-sign.ru/ckfinder/userfiles/files/21730159525.pdfIn PDF document text
  • https://prosaison.fr/userfiles/files/kajadekug.pdfIn PDF document text
  • https://pecintajp.com/contents/files/85311558668.pdfIn PDF document text
  • https://m-isc.com/userfiles/file/72773437460.pdfIn PDF document text
  • https://berbagiangka.com/contents/files/20961850870.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=shadow+fight+2+unlimited+experiencePDF 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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