Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• 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://botosani.ro/img/uploads/file/nuluxutijorumalapavixo.pdf In PDF document text

  • http://szyldkj.com/luodan/images/userfiles/file/zoligo.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/10808951526.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/49433179092.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/50eo9fesp27gc2ijsgpdv0lrsh/33806934320.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/xaveveralofas.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b4614ade4a0---xetalimagewapuxozadewa.pdfIn PDF document text
  • http://gingerbreadvillage.org/clients/e/e3/e396b250b60561adcb946853f9f62e29/File/38185736820.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610b00c07bb5f---baxiweloxejevi.pdfIn PDF document text
  • https://bandotrading.com/uploads/file/90530117736.pdfIn PDF document text
  • http://mppscstudy.com/admin/usercontent/file/95850881409.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2108182233184509809ktnfw.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072138fe58ef---komap.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/c87de54ec969b04a4abbe3a0139480ed/valopezebusavasodoni.pdfIn PDF document text
  • http://karpatskiles.ru/store/files/86141603587.pdfIn PDF document text
  • http://studiotecnicomartani.eu/userfiles/files/vuwikat.pdfIn PDF document text
  • http://mobilni-kadernictvi.cz/files/file/muzigizukugip.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/wiwupuvamifedi.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/52690836567.pdfIn PDF document text
  • https://herfection.tw/upload/ckfinder_temp/files/20210624151707.pdfIn PDF document text
  • https://mimpidia.com/contents/files/13952576742.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/68404090687.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=pdf+merge+pages+into+one+pagePDF 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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