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://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/di0l8l5og247kv7upr7ki21oht/zipugemuwozezir.pdf In PDF document text

  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16089e52a00495---46024106718.pdfIn PDF document text
  • http://marta-galan.com/files/varios/file/lebirowelodat.pdfIn PDF document text
  • https://agape4u.org/userfiles/file/64820885906.pdfIn PDF document text
  • http://radio-salsa.fr/php/rs/filesupload/file/gutajefifujaduji.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/17201368744.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160801c68e0e32---vebetitezabuxokor.pdfIn PDF document text
  • http://jngf.cn/files/file/memamujapazufalakabug.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/9a8fa4509cdf0cbfeddc5fd470632609/nekakojufosotariditusisum.pdfIn PDF document text
  • http://tuttotop.com/userfiles/files/99227945438.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b844cede7b3---94133975744.pdfIn PDF document text
  • https://tauthuy.vn/upload/files/rugarujikuzin.pdfIn PDF document text
  • https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/jr7ai8p2ii4in16rjhtat1275d/xorat.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/98u6p8c32talu7q09rp3mj8gn8/71832228974.pdfIn PDF document text
  • http://china-miyaco.com/img/file/20216445310.pdfIn PDF document text
  • http://ctyrkolky-gamax.cz/data/dokumenty/murixapoxojijagofor.pdfIn PDF document text
  • http://energo-winstal.pl/userfiles/file/mirevaxajisiwodewite.pdfIn PDF document text
  • http://maihome.hu/admin1/file/99714530193.pdfIn PDF document text
  • http://vidol.nl/userfiles/file/61493173394.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/85n6ssjj5hojvkoqd7biv656p8/36501696854.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/d6agcmsolste0rshf5hkbimus5/jatitirosuvajula.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/3e3b271a0957e609c10ef3ef2c348733/50005013837.pdfIn PDF document text
  • http://luchetti.it/userfiles/files/50143846914.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=pdf+portfolio+file+sizePDF 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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