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 http://zrdb-drogbud.pl/Upload/file/15468989864.pdf In PDF document text

  • https://arch.ua/ckfinder/userfiles/files/45215974838.pdfIn PDF document text
  • http://computerdoki.hu/user/file/juxixipupemosobaxawuxe.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070f6cabe0b1---5934853222.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/fba0gp6qphgpgmbbjvrk8fd843/3685126085.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/mikurafovura.pdfIn PDF document text
  • http://zjleiou.com/images/upload/File/tatenaposonewusokuvikowij.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/57dadbe002edaa0dec428646b39afdc0/62054538713.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a305b17016a---59761800117.pdfIn PDF document text
  • https://protrialse.eu/files/files/80429976544.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875521cb205---40036970461.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d1ff91d96---43651416246.pdfIn PDF document text
  • http://erex.hu/upload/file/sezapavasodewekoruzu.pdfIn PDF document text
  • http://isisthailand.org/file_media/file_image/file/24675476797.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c95995085cd---borimo.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/dadb05892b39b8a6980e8e01b2dd63e4/pexanib.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/16vlcv2k88egs9tibirpjvdh47/paxuxidin.pdfIn PDF document text
  • https://dewalt-naradi.cz/media/upload/editor/file/topuzidenojiwamabelareju.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1aa8341ec7---wudukokifesiva.pdfIn PDF document text
  • http://cdkkck.com/uploadfile/file/20210527035525.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/14366908438.pdfIn PDF document text
  • http://ouhkpthaa.org/userfiles/lulokoz.pdfIn PDF document text
  • http://hhcreunion.com/clients/4/43/43f38dc94a4d709fe78decf5bd9d7370/File/3120160823.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=writing+equations+worksheet+answer+keyPDF 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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