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://catamma.ru/uplcv?utm_term=easy+baked+tempeh PDF link annotation

  • https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/64889598804.pdfIn PDF document text
  • http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/93002646ae16ac37710b5f67c199d7cf/xemidikikumevolupis.pdfIn PDF document text
  • http://bjsprt.com/uploadfile/file///2021061604184226.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210723_195009.pdfIn PDF document text
  • http://barudan.hk/UploadFile/file/20210527091825626.pdfIn PDF document text
  • http://kameleonhastanc.hu/files/file/dozedo.pdfIn PDF document text
  • http://stadion-zarya.ru/ckfinder/userfiles/files/88118486025.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/6988fcf249d7f04e1ae55ad1201eda9e/vowurumi.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/cc5bc2e968c982ada104c73ea36ce046/fudapupirilodivimiza.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd90b93f29---fiwajufuxor.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/9fd5257d1e46f5964a397e3c7a14116b/99488832203.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/sobisuvizune.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/012e14a7c04785143717fe0fb4578e72/32470858695.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742dd4394bd---68875302366.pdfIn PDF document text
  • http://chia4kids.ru/ckfinder/userfiles/files/56737958888.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942b223aca3---44915767302.pdfIn PDF document text
  • http://www.euro-fly.eu/userfiles/files/kukovonezirugetobenuwanij.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/75463369849.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/lowad.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5955e26c63---20235897650.pdfIn PDF document text
  • http://frezerovka.by/images/fxeditor/file/latizokefusiwudopizeluzik.pdfIn PDF document text
  • http://dynamicyunnan.com/ckfinder/userfiles/files/risegusuragojuxumirad.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/3ff1bdbf5c76f4fdb043a53a8193fccb/nefutugudoru.pdfIn PDF document text
  • https://www.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/45611675090.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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