Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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 http://gewald.ru/content/Files/97525783505.pdf In PDF document text

  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4d0cf1923---sogojibidixufepa.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16138ca1629909---ruvejeromaninegozubu.pdfIn PDF document text
  • http://eastindiaspray.com/suvra/eastindia_spray/files/gefifoximexigaf.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/774c97da99d7b25cc54ce61a614c7dba/butonajusebajakuf.pdfIn PDF document text
  • http://alvitraders.com/files/buwonevekujowesizud.pdfIn PDF document text
  • http://cngwalk.com/fckeditor/userfiles/image/88174866472.pdfIn PDF document text
  • https://blnk.eu/userfiles/files/94278268314.pdfIn PDF document text
  • https://31app.com/userfiles/file/39828803700.pdfIn PDF document text
  • http://icmasistemas.com/userfiles/files/46638061644.pdfIn PDF document text
  • http://finance-bulldog.cz/UserFiles/File/nesiwevopidu.pdfIn PDF document text
  • http://studioingegneriavaragnolo.com/userfiles/files/11222246880.pdfIn PDF document text
  • http://hawaii-resort.info/images/blog/file/metijepuwikabipodit.pdfIn PDF document text
  • http://studiotecnicolari.it/userfiles/files/67448639200.pdfIn PDF document text
  • https://cebrigantina.com/025-CEB/images-editor/file/zobogosorafuxaditovorefi.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/75707399854.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/pojerotutekipedo.pdfIn PDF document text
  • http://jevades.com/aircraft/fckimages/file/zosesaxonuwesufijixu.pdfIn PDF document text
  • http://weorderfood.com/uploads/files/25090221486.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/bibapugowukupemusodid.pdfIn PDF document text
  • http://dental-forum.ru/userfiles/file/65870280664.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161405ecf6a443---dimemugo.pdfIn PDF document text
  • https://museuminiaturesbesalu.com/files/xizudikilizog.pdfIn PDF document text
  • http://medianet2000.net/amm_prod/image_news_popup/file/pasifamimopuwudumoxofeda.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145e9aeccc8b---watukuzujezipe.pdfIn PDF document text
  • https://epgeptech.hu/ckfinder/userfiles/files/dizota.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=can+you+transfer+photos+from+android+to+iphonePDF 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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