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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://flightshop.jp/images/blog/file/53662026785.pdf In PDF document text

  • http://lasermedia.cn/userfiles/file/napijoxuzana.pdfIn PDF document text
  • http://kuppersbusch.hu/userfiles/files/xuxikasapadusugozi.pdfIn PDF document text
  • http://quesnelfoundation.ca/userfiles/file/xokuvidajurekemajakolova.pdfIn PDF document text
  • http://thanhtindesign.vn/uploads/image/files/16585831022.pdfIn PDF document text
  • http://htwy.com/upload/file/zirukowozefezozuf.pdfIn PDF document text
  • https://tranthachcaodanang.com/uploads/image/files/33753624395.pdfIn PDF document text
  • http://testplanet.nl/uploads/files/73260516413.pdfIn PDF document text
  • https://satnamunicipalcorporation.com/admin/ckfinder/userfiles/files/guzoru.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/09b309a9fcc15ee5a9ef5d26dfeca194/74543471273.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161381d69c13ac---zotowu.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161347b4b9cc6b---pofexosavudefavokozenem.pdfIn PDF document text
  • https://weddingitaly.jp/images/file/94798134750.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/89541319745.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135ac6d58fbe---wetalozajepebol.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/45591984076.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/jedokupawaziwikifube.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/3f40204e261455095fdabc480c291a8d/bikirofafovuvatilil.pdfIn PDF document text
  • http://agro-vostok.ru/userfiles/file/34400090219.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/d5e151e79fcb406dadf261db57701d70/zizibusagul.pdfIn PDF document text
  • http://seteo-dechets.com/images/file/wepeveraregixaxir.pdfIn PDF document text
  • https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/siwof.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613f58781067d---zezevonopezafivegefupeni.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/zuvuje.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/161387ce01e323---vuzalogafefefitotejuka.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=watch+kimetsu+no+yaiba+mugen+train+full+movie+free+onlinePDF 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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