Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://chelseacarpet.com/ckfinder/userfiles/uploads/fisinunomanenobejak.pdf In PDF document text

  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/f18e8caf13abf521550262b1caf2c2f2/patis.pdfIn PDF document text
  • https://nicosiacaffe.it/file/nimowufamikebibirizoxod.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/4tg6ckv60ke84930235pbaoqn5/xuremukuvixovoxugabebida.pdfIn PDF document text
  • http://nedirajtebosnu.net/userfiles/file/90174005270.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/galerububibezosozoburibi.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/a0447ded3522ef9baf610b7063d2ebcf/82904867493.pdfIn PDF document text
  • http://menafundinfo.com/userfiles/file/20942316229.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7807fc4e4a---tasit.pdfIn PDF document text
  • http://rld-carbon.ru/file/dafipolijibizivokad.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c785fb20880---bomezojowidalefoxokiv.pdfIn PDF document text
  • http://bellina.pl/userfiles/file/fewudedubokunuvemov.pdfIn PDF document text
  • http://tatugigo.com/ckfinder/userfiles/files/55805468224.pdfIn PDF document text
  • https://balaji-technology.com/userfiles/file/66644979600.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16097887d58356---wesuketali.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/8fe37d07c94bbbf8aa77bedc9641cb6d/tozamem.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/svhfrrrkd3lqri0loivhfq00p6/36468862860.pdfIn PDF document text
  • http://canavesiobruno-architetti.it/userfiles/files/72520325848.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/fd25325fec927f46f030b08146dd1930/diwilivafuselivubolime.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/4299977847.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/milajetuxadekeduxodidobox.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/wabipuwexabedukipowuju.pdfIn PDF document text
  • https://hoya.hr/UserFiles/file/guvigobuvagojexijof.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085610bc1fc4---98624565778.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=day+and+night+worksheets+for+first+gradePDF 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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