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 https://allytemp.ru/uplcv?utm_term=best+race+for+mage+shadowlands+horde PDF link annotation

  • https://tukangjp.com/contents/files/10223029097.pdfIn PDF document text
  • http://autoneza.cz/UserFiles/File/radebamawelu.pdfIn PDF document text
  • http://sydjpg.com/images/upload/file/20210923_135222_105.pdfIn PDF document text
  • https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/pogovebozipuritezas.pdfIn PDF document text
  • https://simbhaolipower.com/images/file/12981883968.pdfIn PDF document text
  • http://thietkewebbacninh.com/webroot/img/files/kewavi.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145775ba4e66---69391753710.pdfIn PDF document text
  • http://riverla.vn/uploads/userfiles/file/jedat.pdfIn PDF document text
  • http://snp-ent.com/files/fckeditor/file/1554753726131f43d0129a.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161452fc4c5ba5---2721702779.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/82514212463.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/40301915492.pdfIn PDF document text
  • https://i-chat.tw/js/ckfinder/userfiles/files/diralofu.pdfIn PDF document text
  • http://pattarasawat.com/ckfinder/userfiles/files/35857759072.pdfIn PDF document text
  • https://www.grdr.org/paidel/ckfinder/userfiles/files/70874393580.pdfIn PDF document text
  • http://multiflex.ru/userfiles/file/73655465973.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/14153949390.pdfIn PDF document text
  • http://sanxuatbanthinghiem.org/app/webroot/uploads/files/givupepetawo.pdfIn PDF document text
  • https://snf.styleguides.ch/userfiles/files/ravuxanozanokeni.pdfIn PDF document text
  • http://itaxabc.com/userfiles/file/20211003095931_1832544941.pdfIn PDF document text
  • https://karpataljaturizmus.hu/upload/78102902631.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/205c8c2987c48c2945057aa52f89390e/30254553427.pdfIn PDF document text
  • http://gwardiajuvenia.pl/zdjecia/fck/file/70943080180.pdfIn PDF document text
  • https://psg66.ru/admin/ckfinder/userfiles/files/95918274873.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/mipifu.pdfIn PDF document text
  • https://hijaustabilo.com/contents/files/kugazopekasobodom.pdfIn PDF document text
  • http://cosmoscm.com/contents/files/76169637970.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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