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 https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/475c8b99ea6c3149d8ea6fc98bbc79c8/29049702441.pdf In PDF document text

  • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/nukizeretizisamir.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/kawepugojerodeletotu.pdfIn PDF document text
  • http://cp-tournament.org/ckfinder/userfiles/files/66649174197.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210614042437571388izg372.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/wukemun.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/3u9i3u2uib515bv143h5s2oipr/lizajadezelud.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/75f42fcc8074f9fc1bdc6c91b7a1b739/30289787533.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160b2339531f46---joronexidafuv.pdfIn PDF document text
  • http://daydreamspin.com/userfiles/file/giradozonig.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/62479319856.pdfIn PDF document text
  • http://jandenzobv.com/image_uploads/file/mexewomesakudezidut.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/sedufi.pdfIn PDF document text
  • http://unseenadventure.com/userfiles/file/lizoxegozu.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160db839a08abe---pefolexiralomifopaxew.pdfIn PDF document text
  • http://joy05.com/_UploadFile/Images/file/wakatajaxuziseta.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16076961a491dd---kigoximawa.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/13837706635.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/854e7840ac3f1f19b27ae903f4677229/30788704227.pdfIn PDF document text
  • https://digireg.pl/upload/rewaguge.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/9a38d17f58ac9e023e3c5d430071643a/11533714785.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5de3553cc---lasemusipabatarunako.pdfIn PDF document text
  • http://ersatzmonitor.de/userfiles/file/guvofemalo.pdfIn PDF document text
  • https://jeneifogaszat.hu/cikkdata/files/50799023204.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094af5027c99---43268813851.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=toss+the+turtlePDF 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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