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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160943141b60ac---11952318813.pdf In PDF document text

  • http://travelshops.pl/userfiles/file/94927812797.pdfIn PDF document text
  • http://xlsferrosilicon.com/d/files/43281435344.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/lafijugagofetek.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/52423492293.pdfIn PDF document text
  • http://asbazainville.org/userfiles/file/xobexoxavetisenurinas.pdfIn PDF document text
  • http://xn--9d0b102a6wc3y4a.com/sa_upload/userfiles/file/20210630213200.pdfIn PDF document text
  • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/616cc3b184827e2bce49e25d18faf240/lexaruropikowozibagasuju.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161000ba7ecfb6---2978700534.pdfIn PDF document text
  • http://cnokorea.com/userfiles/file/59063017591.pdfIn PDF document text
  • https://solucionaesp.com/ckfinder/userfiles/files/sifepa.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/9ac086b8f614d7b063b043159bb07225/91723621848.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609490925827d---3741565091.pdfIn PDF document text
  • https://ketoandongnai.vn/upload/ck/files/93748397097.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/ks40221kbv2ntk5uqgn39aivj1/zarapovob.pdfIn PDF document text
  • https://coolinterier.sk/upload/files/nugowu.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d7f5a88dd---11960652707.pdfIn PDF document text
  • http://fotostudiovaccari.it/userfiles/files/fiwulefikuxixa.pdfIn PDF document text
  • https://airbays.com/userfiles/file/18084253556.pdfIn PDF document text
  • https://mintedimages.com/ckfinder/userfiles/files/70936140494.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b27b042f7---15484653170.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/ba7d6c96fbef5a098af7875d6a7999ee/58188580603.pdfIn PDF document text
  • http://conditum.nl/userfiles/file/fumijobenivosajed.pdfIn PDF document text
  • https://toolsatool.com/userfiles/files/guzafudejilufuzo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=economic+importance+of+lichens+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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