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://garglob.ru/uplcv?utm_term=android+and+java PDF link annotation

  • https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614af1379be41---60688635467.pdfIn PDF document text
  • https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/nipegajotirugijuv.pdfIn PDF document text
  • http://ets-sptk.ru/pic/file/mowivuxiwajif.pdfIn PDF document text
  • http://asr-net.ru/uploads/files/99301341998.pdfIn PDF document text
  • https://ctcitsupport.com/media/files/difofevon.pdfIn PDF document text
  • http://studiogaleazzo.eu/userfiles/files/kulizafibunudazajute.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/n03uojqhg0isithck7jhst874i/sugepitumaru.pdfIn PDF document text
  • http://48bulls.com/js/upload/files/bediponerox.pdfIn PDF document text
  • http://ngocminhcnc.com/demo_thietbimay_24_7/upload/files/kitokinoratavovo.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614400db9b541---42793052070.pdfIn PDF document text
  • http://playonathletics.com/userfiles/file/20332512917.pdfIn PDF document text
  • https://pkmoscow.ru/ckfinder/userfiles/files/gugofubalexuxafaxinil.pdfIn PDF document text
  • http://twozonechickenlasvegas.com/uploads/files/kijijobux.pdfIn PDF document text
  • https://sierrainstruments.cn/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/24985102034.pdfIn PDF document text
  • https://maydangson.com/vietkiendo/upload/file/74161881344.pdfIn PDF document text
  • http://istihdamhaberleri.com/upload/ckfinder/files/rijesugefanujamopezajilif.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/sebometaxebe.pdfIn PDF document text
  • http://gamaxmotor.cz/data/dokumenty/31398325475.pdfIn PDF document text
  • http://appartementslisa.it/an3_Uploads/file/42236433881.pdfIn PDF document text
  • http://khamtribacninh.com/images/files/sobefajexejogutisuzak.pdfIn PDF document text
  • http://st-communications.com/ckfinder/userfiles/files/64614335445.pdfIn PDF document text
  • http://hasomedia.com/userfiles/file/nofok.pdfIn PDF document text
  • http://abwhopewell.com/uploads/files/94908817359.pdfIn PDF document text
  • https://affordans.com/ckfinder/userfiles/files/68862958048.pdfIn PDF document text
  • http://renovfab-menuiserie.com/userfiles/file/zuturerusigakamo.pdfIn PDF document text
  • https://rowsontw.com/shopadmin/upload/files/20664109572.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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