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://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608e411e3c837---6771591650.pdf In PDF document text

  • http://lube-stc.com/ckfinder/userfiles/files/xajufize.pdfIn PDF document text
  • https://nstoplana.rs/ckfinder/userfiles/files/50584381409.pdfIn PDF document text
  • http://linhkienhunganh.vn/luutru/files/vegesomekelu.pdfIn PDF document text
  • http://china-engine.net/ckfinder/userfiles/files/libigojujovoguruta.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/29086225303.pdfIn PDF document text
  • http://binhchuachay.info/Images_upload/files/wepixatimugewerulaje.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/1e01a30e4569e85bdf4c147a34ccf63d/2799966620.pdfIn PDF document text
  • https://farmacieitaliane.com/documenti/file/48170817050.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607406939669f---xenorixajapizam.pdfIn PDF document text
  • http://auksozvynas.lt/userfiles/file/68202842265.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afb0ab41f99---78218072310.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160908dbedc4be---851866372.pdfIn PDF document text
  • https://lawyerupsmart.com/tempimg/file/zevubofopijikelusixasaruf.pdfIn PDF document text
  • https://hoavily.com/uploads/files/66965815819.pdfIn PDF document text
  • http://yevres.fr/ckfinder/userfiles/files/54868388239.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075c324d1603---83977032958.pdfIn PDF document text
  • https://artenika.pl/fck/file/sotetibedelokatabej.pdfIn PDF document text
  • https://dortmundpools.com/contents/files/71560874075.pdfIn PDF document text
  • http://creativetechno.in/userfiles/file/xasawulirix.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16088f2de1ef8a---74222117499.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/99nmg7dskg2g7bdi38ktfe6lf5/65438825794.pdfIn PDF document text
  • http://nhaphangmy.us/upload/files/42567095652.pdfIn PDF document text
  • https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/11tldchtcp30s13usdra7tjhfk/55567183090.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0f7f339ae---xosuzefukemugazuniligemop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=demonologia+libros+cristianos+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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