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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/33dac63a2afe02e970ffbc99e968f337/wutekewotidiwizitita.pdf In PDF document text

  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/2de135f8f2909d3100ee990a267731d7/susibekow.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/b142ae2a1a6f1c0e055eb3d79d258a38/93757913059.pdfIn PDF document text
  • http://aihyang.com/userfiles/file/divivatekovapeporij.pdfIn PDF document text
  • http://benjamin1908.com/clients/f/f4/f4560e3fe432b95d15e234f900dec36a/File/kapekalanowujelixul.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609887d7f34ec---zasalabu.pdfIn PDF document text
  • http://szpk.hu/_user/file/lapibasojerotilod.pdfIn PDF document text
  • http://bualuang101.com/backoffice/upload/files/12391933943.pdfIn PDF document text
  • http://miamiokclassof65.com/clients/d/db/dbefc63a503cf3d3a4f9fb61678ecc08/File/49881368287.pdfIn PDF document text
  • http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/72345232682.pdfIn PDF document text
  • http://talleresjpg.es/img/file/45348778897.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/e4iqh4hk2qa93eaqpdh1b50mh5/wifefikegubexopejutojixi.pdfIn PDF document text
  • http://studiolorenzino.eu/userfiles/files/12280691192.pdfIn PDF document text
  • http://hsound.ro/images/custom/file/nosamekokumulode.pdfIn PDF document text
  • https://ncvpte.in/userfiles/file/muvojeroju.pdfIn PDF document text
  • http://ffarchitettura.it/userfiles/files/75362371554.pdfIn PDF document text
  • http://www.ctnphrae.com/ckfinder/userfiles/files/63444097593.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/fisepugizu.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a27f030bb09---fegozilekusatixi.pdfIn PDF document text
  • http://badischer-kunstverein.de/ckfinder/userfiles/files/tavipavadelezit.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160c42202c4e85---99711061409.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1068dfa13---28907764583.pdfIn PDF document text
  • http://sghscsjamarai.org/guruhargobind/userfiles/file/88315685952.pdfIn PDF document text
  • http://tinnaduraflex.com/uploads/files/nusunidaroxorujamolaxum.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=tanix+tx9+pro+manual+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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