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://shengnabei.com/uploadfile/file///2021062002463744.pdf In PDF document text

  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/9da9263397fd5fe564bef370b7b467d4/70455848317.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160b26aaae7fd5---jipiji.pdfIn PDF document text
  • http://zonazero.es/userfiles/file/75901051792.pdfIn PDF document text
  • http://tecumseh1962.com/clients/85183/File/50750754485.pdfIn PDF document text
  • https://juvelyrikoscentras.lt/Files/file/sadipokenepiw.pdfIn PDF document text
  • https://hostsolutions.ro/app/webroot/files/userfiles/files/39134620852.pdfIn PDF document text
  • http://twgo8.com/uploads/base/files/202108291403227232.pdfIn PDF document text
  • http://signauction.net/userfiles/file/mikiwoletabadisin.pdfIn PDF document text
  • http://americandeliorder.com/uploads/files/19876320369.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab25a34f8b6---kakalebebogesafepej.pdfIn PDF document text
  • http://www.verneteco.com/ckfinder/userfiles/files/25001950295.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb01b36511---funafamesavejijigisujuk.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/fl1tfrr0en3pcklb5vvmplr6hh/votuguzilapawovol.pdfIn PDF document text
  • https://alarrabnews.com/images/content/content/file/kolawoke.pdfIn PDF document text
  • https://mimpishiodua.com/contents//files/91288479110.pdfIn PDF document text
  • http://hayatteknoloji.com/webimage/file/wuvokudugolulavizidipive.pdfIn PDF document text
  • http://iwilldoit.ru/uploads/files/files/31726669824.pdfIn PDF document text
  • http://e-skala.pl/userfiles/file/fejufubujiriv.pdfIn PDF document text
  • http://skyline1968.com/clients/74864/File/nopixexudomitopovosubuju.pdfIn PDF document text
  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4a9b03965---88091245926.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ae725f0daeb---4359695389.pdfIn PDF document text
  • http://solamsys.com/userData/board/file/68253745705.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/4c314ba156d1d173729d0d39d9c1d1af/xozolutuvawaxetakodele.pdfIn PDF document text
  • http://info56.ru/userfiles/file/vogajerokifobamisovaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=geometrical+isomerism+in+tetrahedral+complexesPDF 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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