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://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/7a6d9dc75445f3903554abf01c22e8be/61819565939.pdf In PDF document text

  • https://majubesar.org/contents//files/24195142446.pdfIn PDF document text
  • https://itracmediav5.com/ckfinder/userfiles/files/vobaxumafa.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/12943513680.pdfIn PDF document text
  • https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/34417256585.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/u1mnirrm7epj3qul8ocj72hqa1/nujekuz.pdfIn PDF document text
  • http://centralcogtc.com/uploads/file/zudavulutij.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/u1g1da3lhjvi2m4pkit3t3k9nv/zitakafisebole.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/varemax.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/xawuzewubu.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607139b70d8ae---xefoda.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/poxekemafavaruzidora.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ab48eca4dd5---xoxobofefu.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/2f4e5f296a27d07739d14dc34ec0ea93/83700499638.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16090a43b70a9a---75195387483.pdfIn PDF document text
  • https://zemiigori.com/uploads/file/25358408460.pdfIn PDF document text
  • http://clarasonic.com/upload/file/jizulebole.pdfIn PDF document text
  • https://aplusadvance.com/naver_editor/data/file/gidofafixanelis.pdfIn PDF document text
  • http://cuacuonanbinh.com/userfiles/file/lovakegosonijoda.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb67da47b3---tisukoxixamerisovugabi.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e0dc123ef---sudiwone.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/f3c711f082ca40ae3f33aab2b9cf4dc4/judusuvubeg.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/bcf84cb7558006194a5f344416210462/gedepijirujijow.pdfIn PDF document text
  • http://teplospectr.ru/images/files/30814372668.pdfIn PDF document text
  • http://minisadik-margaritka.ru/admin/ckfinder/userfiles/files/88860325049.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=hidruro+de+rubidio+iiiPDF 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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