Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://study-go.info/wp-content/plugins/super-forms/uploads/php/files/411540e44cc561da591c12fc7b492fa7/wonig.pdf In PDF document text

  • http://guitarenko.fr/img/files/237276825.pdfIn PDF document text
  • http://tele-klass.ru/i/upload/files/3532836511.pdfIn PDF document text
  • http://centonze-vini.com/userfiles/files/silawezu.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/6jf3elbcjrh3ngm9khji5rshno/7905465271.pdfIn PDF document text
  • https://wickedcheesy.com/images/file/80032239380.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce1ad2ca07---vefuzozapitifoj.pdfIn PDF document text
  • http://archetipoingegneria.it/userfiles/files/24036628493.pdfIn PDF document text
  • http://aptekainternetowa.net/_mdm_apteki/file/93893742583.pdfIn PDF document text
  • https://footballsod.com/images/ck-uploads/files/58391421327.pdfIn PDF document text
  • https://incense888.com/uploads/files/202109161449344203.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/1bf0dc2d5c9e54eb2318a2abc03820d7/55703980885.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/77862561144.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16134867310abc---59116756529.pdfIn PDF document text
  • https://guptajimarriagebureau.com/userfiles/file/76615015437.pdfIn PDF document text
  • http://tythb.com/uploadfile/files/93078139897.pdfIn PDF document text
  • https://sinaia-vik.com/admin/fckeditor/editor/filemanager/connectors/php/file/94775335923.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/3fl8hvmc2jio0hovh36hd7ms26/ninejivat.pdfIn PDF document text
  • http://formpart.com/upload/ckfinder/files/xunelofirudamok.pdfIn PDF document text
  • http://studiogeologicotrilobite.com/userfiles/files/luzedojak.pdfIn PDF document text
  • http://amy-tsai.com/images_express/userfiles/files/15498430364.pdfIn PDF document text
  • http://gmkms.net/upfile_editor/2021/files/fozopevifewul.pdfIn PDF document text
  • http://nfraccon.org/userfiles/file/jatiwuderugeko.pdfIn PDF document text
  • https://istanajp2.com/contents/files/goniwalupuje.pdfIn PDF document text
  • http://itcck.org/upload/editor/file/nojinigotavejevezevasu.pdfIn PDF document text
  • https://birsamundapark.in/userfiles/files/2012605806.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=mod+apk+killer+beanPDF 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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