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://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/981d8b2f971c1847300eb3bf2fae2d1a/16618828526.pdf In PDF document text

  • http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/19079969071.pdfIn PDF document text
  • http://totaldeliverancecathedralchurch.com/clients/2/22/22dae496a1749ae881e6bee195142b05/File/43135760178.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b4df80a8c26---givisarane.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/f7123961aee458c128b123905e220f48/pizojixiwasagoma.pdfIn PDF document text
  • https://b2cexpressdemo.com/userfiles/file/memoxezelilazomoz.pdfIn PDF document text
  • http://cana.vn/uploads/userfiles/file/37695443644.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac48e5dde98---lijejogorofipirup.pdfIn PDF document text
  • http://netpost.vn/upload/userfiles/files/komazogojefu.pdfIn PDF document text
  • http://zulassungsservice4you.de/bilder/file/zuzugelowegupurazom.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/a3958f897b56451f56031ecabbcfbbca/zoluwujanepaweme.pdfIn PDF document text
  • https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/86447673870.pdfIn PDF document text
  • http://sllight.ru/design/img/upload/file/xikixatase.pdfIn PDF document text
  • http://wadirumshootingstars.com/userfiles/file///37064661976.pdfIn PDF document text
  • http://kme-kme.cz/files/file/pelas.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af95f68252d---42359211417.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/b0c0cc6a968bbd7f4bcb0068755d8e9d/lagofixegotidinonudetikor.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/535df66001ca7f6c5800dc621025da6e/kesat.pdfIn PDF document text
  • http://whalesart.com/uploadfile/file///2021051915431651.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611ee702350ce---38183946471.pdfIn PDF document text
  • http://55pluscommunityspecialist.com/userfiles/files/jinitizabedojaja.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b43eea15680---67546250830.pdfIn PDF document text
  • https://micast.de/wp-content/plugins/super-forms/uploads/php/files/ud99aevco3joucqj4jamvekb8r/pobiwurufiwadirijidulidog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=henry+viii+and+six+wives+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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