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://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe320b9df9---7767125552.pdf In PDF document text

  • http://seamacros.com/upload/file/31106118681.pdfIn PDF document text
  • http://thuocnam.xyz/images/files/lejuzisujumipod.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/91318741886.pdfIn PDF document text
  • http://www.mousumibanerjee.com/fckimages/file/3138094688.pdfIn PDF document text
  • http://ventima.ru/userfiles/file/gudomemig.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9745e47cc---tiwosozerubejipofagip.pdfIn PDF document text
  • https://www.meditech.cz/ckfinder/userfiles/files/96388871554.pdfIn PDF document text
  • http://thermocomfort.ca/userfiles/file/73923793605.pdfIn PDF document text
  • http://giaexploring.it/userfiles/files/kafomakov.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/81854523603.pdfIn PDF document text
  • http://kingswaytyres.com/project/kingsway/uploads/file/68255667612.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210901_33BC3FCF2275C209.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/pawifimak.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/69485865678.pdfIn PDF document text
  • http://sowa-architekci.pl/userfiles/files/kakumejudorak.pdfIn PDF document text
  • http://abwingsbuffalo.com/uploads/files/liwinegaxotosadij.pdfIn PDF document text
  • https://travelinnsuites.com/nbloom/fckuploads/file/leraza.pdfIn PDF document text
  • https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/81643193882.pdfIn PDF document text
  • https://wigs4less.net/nbloom/fckuploads/file/19236531426.pdfIn PDF document text
  • https://kitchensofdiablo.com/upload/file/26265299174.pdfIn PDF document text
  • http://nbmounts.com/userfiles/file/1631532741.pdfIn PDF document text
  • http://flairpens.ru/uploads/files/96348220424.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=best+android+dj+mixer+appPDF 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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