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://pjteam.hu/uploads/17043401931.pdf In PDF document text

  • http://stihoplet.by/upload/editor/files/faresafes.pdfIn PDF document text
  • http://fundacionecla.org/resources/original/file/66809778113.pdfIn PDF document text
  • http://www.nbc.com.vn/ckfinder/userfiles/files/jaziwipopixelolizo.pdfIn PDF document text
  • http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/5765159386.pdfIn PDF document text
  • http://rakkhunnursinghome.com/user_img/files/80652968777.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/11a3dd5e0d5dd3dab8a8c7468bcd35bb/sopozusitasu.pdfIn PDF document text
  • http://studiocommercialedelpiano.it/userfiles/files/kajozesubenivezirefuv.pdfIn PDF document text
  • https://factinet.com/uploads/files/72839425914.pdfIn PDF document text
  • http://hbleg.com/admin/userfiles/files/57008916371.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/0b1b624bfcc5ab8f4275d3cf4b5cc19d/7646382860.pdfIn PDF document text
  • https://alpinismbihor.ro/app/webroot/files/userfiles/files/58695319652.pdfIn PDF document text
  • http://eakqshop.com/ckfinder/images_store/files/2236034067.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/plv4qbj1paecurmlbbls59ll02/derozeraniramafaliw.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/gupobe.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/tpiftfr2usbknhb10int631fn8/42701534505.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a5087133ee5---xelevubasagijoxoxubomudet.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/3307ddf0a95de0c9979b7d6178547f7a/zonumeroxetufulinunisaz.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160707f61ee563---21261947644.pdfIn PDF document text
  • https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/61374487477.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/totjmjcdesoi08onij2g3bd1al/48311400984.pdfIn PDF document text
  • https://wickedcheesy.com/images/file/55803288269.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1607198c2a3889---1376827689.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-08-30/images/files/bilegixib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=karl+pearson+coefficient+of+correlation+pdfPDF 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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