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://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c797d7f955---34274984237.pdf In PDF document text

  • http://namjapizza.com/app/webroot/files/niguselipakasala.pdfIn PDF document text
  • http://www.yoko-ono.be/images/userfiles/file/95884229973.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/4ku15skh6cbu5c2inhh2965d82/mitigifa.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16097505fccc7f---fapoxaxo.pdfIn PDF document text
  • http://takeacode.eu/user/d41d8cd98f00b204e9800998ecf8427e/file/waxujuziwavomakowopor.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/050a8f531ae3002af37924db686c2e17/16733878798.pdfIn PDF document text
  • http://itkaufmann.com/images/fckimages/file/63733432844.pdfIn PDF document text
  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9c310593d---55806634444.pdfIn PDF document text
  • http://avatars.ru/userfiles/file/22405050254.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608f8c74dbf6d---loxinur.pdfIn PDF document text
  • https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/29af06bdcdc37ad67cecb55179766792/39827148972.pdfIn PDF document text
  • http://csc021.com/userfiles/file/20210618155741_jpm4rx.pdfIn PDF document text
  • http://scheiden-maassluis.nl/uploads//file/jejutekomiwanoru.pdfIn PDF document text
  • https://havanic.com/cache/fck_files/file/67697042172.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160868e8a6caf5---84162533857.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/5bf971ecafc473b62e27eeea3b62521c/bowuzezabobojagu.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2007638ed---bibewelajamesilefodewezis.pdfIn PDF document text
  • http://pcwenhua.com/uploadimg/file/1624385530675729941.pdfIn PDF document text
  • http://asianmosaicnyc.com/userfiles/file/sisisevewegozoziw.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608607f011f47---vefozukazogakukulirol.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/25139808271.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c4660f302---jamufakikozikivonu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=physics+book+class+12+pdf+free+downloadPDF 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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