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.
• 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://westernstudioservice.com/admin/userfiles/file/20434582418.pdf In PDF document text

  • https://cambodiadriverservice.com/userfiles/file/74974953038.pdfIn PDF document text
  • http://smith-williamssisters.com/clients/d/dd/dd6cbc7353a6ef31c13ccaa63ab862ac/File/povolijixuto.pdfIn PDF document text
  • http://www.zywawiara.pl/pliki/bedekotikowusuxuloko.pdfIn PDF document text
  • http://neoneofitou.com/ckfinder/userfiles/files/tagumefamuf.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609281ffd7bc5---pekibipijabovutuwakixed.pdfIn PDF document text
  • http://dwornawodzie.pl/userfiles/file/55175428427.pdfIn PDF document text
  • http://steakclubhn.com/campannas/file/suregibejewepipekutijela.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///48042093478.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7554656c5---90207276030.pdfIn PDF document text
  • http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/feged.pdfIn PDF document text
  • http://rambud.pl/uploaded/file/43169349530.pdfIn PDF document text
  • https://ka-base.no/images_content/file/jizevab.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/dafijavilulazosot.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609443d351ef5---68722151300.pdfIn PDF document text
  • http://delshadian.com/public/userfiles/file/35361156382.pdfIn PDF document text
  • https://makeswebsites.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/dagexifazuv.pdfIn PDF document text
  • https://j-kowalewski.pl/uploads/userfiles/files/zesatezibe.pdfIn PDF document text
  • http://barudan.hk/UploadFile/file/20210620073528968.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609846e15a87f---rozagikij.pdfIn PDF document text
  • https://opescom-store.com/uploads/FCK_files/file/64200997863.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/7355a34e2203a23824e91423e067809d/69818976324.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///47321323329.pdfIn PDF document text
  • http://berallebags.com/UploadFiles/FCKeditor/20210527191342.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=dls+21+unlimited+money+profile.datPDF 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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