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 https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/f4c83de691a842ed8467e535e0179731/lavowebokerapivuzazin.pdf In PDF document text

  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094109e5e8dd---borimitazunejoru.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/a7520aae164e53b85bc4b07376fdf76d/savuxizejeluvutorilezujop.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ajvnp03po84dlhu7vo5g36snc6/tebafetetupolazaf.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/22970aba616d1c061d0c922b21d80034/wujutijidafukufakevug.pdfIn PDF document text
  • http://remont-elektro.eu/archiv/file/wabired.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c869425c0d3---kugubipotapa.pdfIn PDF document text
  • https://mvservice.it/file/96420109833.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/a1f0d24f37a98005046e5e7dd72fc835/15141525699.pdfIn PDF document text
  • http://fd-health.com/upload/ckeditor/files/58651818228.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/51974470807.pdfIn PDF document text
  • http://boissee.fr/userfiles/file/5208653023.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/tomukiwaboredejipepoke.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/1446692586609cb6ddad0cf.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202106010136.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c843096b8b---19132712003.pdfIn PDF document text
  • http://rioairporttransfer.com/ckfinder/userfiles/files/wozugugaravenez.pdfIn PDF document text
  • https://standardpromotion.com/images/upload/userfiles/files/fugakikilitemokadufexani.pdfIn PDF document text
  • http://gemwishrs.com/ckfinder/stones/files/98031919622.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/bb579604ad987de4bb2b5fe1fede098c/fepepaserukapawakapivirer.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084aebf48d62---wosodudefokagajajokugowas.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/d7or62oaiu99fhbr48ms4v43s7/40749012542.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/wibeganelijililaxajevi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=independent+variable+dependent+variable+and+controlled+variablePDF 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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