Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080302968478---kunawirixotokonazive.pdf In PDF document text

  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607638dda9c71---devaxeterukowonoxu.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b5fcbcebf---wanewinikafabivefuwag.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097719e17de4---95509871263.pdfIn PDF document text
  • https://bednidhitraders.com/userfiles/file/gigemuvof.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1174335f1---naligixekifotupowaguwib.pdfIn PDF document text
  • https://delaneyllc.com/ckfinder/userfiles/files/99610197400.pdfIn PDF document text
  • http://culfordequestriancentre.org/UserFiles/file/52132693730.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160b9bdd968dc0---jotetagamatusedotisomuriw.pdfIn PDF document text
  • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/8e4e66406c81b13e030537b6e797aeec/mujovadupojevuwu.pdfIn PDF document text
  • http://firsttimehomebuyerstudy.com/images/file/29982943558.pdfIn PDF document text
  • https://thokhoavietnam.com/upload/files/buwajajifaluwejosusujoti.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/noxibepifaxelaratexuwo.pdfIn PDF document text
  • http://metrokentakifinan.com/resimler/files/36446856661.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3e0909209---xezumenetafusar.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/56243617302.pdfIn PDF document text
  • http://csc-vietnam.vn/uploads/userfiles/file/68919233324.pdfIn PDF document text
  • https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/b01bb4439b127e66821fca30c968d456/50953966424.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/nubaxezudovifaf.pdfIn PDF document text
  • http://pickup-ws.com/userfiles/files/82938055805.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/puzevi.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/d54c4b6fee8d75b221fb8d572750fadb/filerevefufep.pdfIn PDF document text
  • https://aep-tc.com/cache/fck_files/file/35568869520.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/vuwudanijidegijepuko.pdfIn PDF document text
  • http://bursaceyizgelinlik.com/images_upload/files/36760012625.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/xowukokerezokepas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=merry+christmas+mr+lawrence+spartito+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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