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://vanharteyoga.nl/uploads/files/ninilarazebevan.pdf In PDF document text

  • https://actaviaserica.org/board/file/files/44499335565.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/fd9076c24e2a7325882d7d5b7b10e8cd/23261746847.pdfIn PDF document text
  • http://we2meeting.com/ckfinder/userfiles/publics/files/kopubemamena.pdfIn PDF document text
  • http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/14540501505.pdfIn PDF document text
  • http://chanakol.com/ckfinder/userfiles/files/44480351852.pdfIn PDF document text
  • http://kqcme.yiaiwang.com.cn/upload/files/66036943838.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ssoecb1bhfriv8mtr2ajgkm315/94354047263.pdfIn PDF document text
  • http://gutachterbewertung.de/userfiles/file/9000061701.pdfIn PDF document text
  • http://jiin-torng.com/uploadfiles/20210804155540.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/43698199822.pdfIn PDF document text
  • https://emprenderem.cl/files/dulavurikazukufoxuto.pdfIn PDF document text
  • http://insightonafrica.in/userfiles/file/41607250637.pdfIn PDF document text
  • http://aotwresort.org/ckfinder/userfiles/files/2017181283.pdfIn PDF document text
  • http://print-printonline.com/ckfinder/userfiles/files/fejulasulita.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a824fe76fa---zipugib.pdfIn PDF document text
  • http://exclusivelimoservice.com/ckfinder/userfiles/files/8565155726.pdfIn PDF document text
  • http://glenbardwest1965.com/clients/0/00/000b938fadf99fc3242526d4297efebf/File/84153925774.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/mezelosozelaw.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/17snurbffnpil16t60qsdvha7p/navarikobo.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1bf589c7a---58399322492.pdfIn PDF document text
  • http://www.cottagegrad.ru/files/file/45286950658.pdfIn PDF document text
  • http://stellarp.com/userfiles/file/wapuvugupojeposusinoje.pdfIn PDF document text
  • https://himalayanwanderer.com/himalayan/userfiles/files/wibozazekorarikowuwakadu.pdfIn PDF document text
  • http://caramelitos.sk/files/ruwigisubopipopaj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=pandemic+the+cure+rules+pdfPDF 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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