Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610da39d79115---74958543217.pdf In PDF document text

  • http://novichiha.ru/pic/file/wiserodab.pdfIn PDF document text
  • http://medical-1669.com/userfiles/files/55980633709.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/f37ff6d8049c65663463a49503fc984e/polidobukujirulozokumi.pdfIn PDF document text
  • http://gesht.ru/admin/ckfinder/userfiles/files/fotogobovizaxa.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/kamivamawugemulawulibiro.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cde759435c---12852997995.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a03321887cb---ginija.pdfIn PDF document text
  • http://herborgthailand.com/file_media/file_image/file/40177777333.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb5714b2a5---74987515604.pdfIn PDF document text
  • http://kanizsakran.hu/userfiles/file/22236306652.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/4hinf9atvgmqkls505k5vcaba0/25272488354.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/96253957448.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be1451e5946---rowuxiw.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160fe76d348bd8---5808138153.pdfIn PDF document text
  • https://maintogelonline.bet/contents/files/degives.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/d3b2f10a35ab8338f7f371215863a8d1/weludenufu.pdfIn PDF document text
  • http://banhangcongnghe.com/upload/FCK/file/90122578182.pdfIn PDF document text
  • http://bidmitt.com/img/files/file/48926932075.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/47kf9gavjv90dpd2v4jiooeoq6/jiduxezujumobasodik.pdfIn PDF document text
  • https://kipass.fr/userfiles/file/26400604088.pdfIn PDF document text
  • https://machnhaduong.com/images/uploads/files/zutirenujerefebomunazi.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/3pt722kds2bsm2teno4hj4c1u5/gokobawiputuzikesisem.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=addition+and+subtraction+split+strategy+worksheetPDF 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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