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 https://archism.ru/uplcv?utm_term=alexa+app+for+computer+windows+10 PDF link annotation

  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/1c9453f4d1dc9dab4299231fc3d9e6cb/43989884287.pdfIn PDF document text
  • https://empresa-venta.hr/files/75944773428.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614165b77dc9b---bezexapozilipekaz.pdfIn PDF document text
  • http://guoyangmoju.com/userfiles/files/88977594466.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/wekupomuberenuzonexubi.pdfIn PDF document text
  • http://zxpgw.com/userfiles/file/13371884969.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131f7034e51a---8584990540.pdfIn PDF document text
  • http://danieldesignpro.com/userfiles/22137527523.pdfIn PDF document text
  • http://linuxnewyork.com/draft/media/zusulitevivurubakivoxon.pdfIn PDF document text
  • https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/fitepajofotevoze.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140909b12ac3---17043222302.pdfIn PDF document text
  • http://www.euro-fly.eu/userfiles/files/wodoxaboxukenenekuzifu.pdfIn PDF document text
  • http://www.saveurspoitoucharentes.com/admin/ckfinder/userfiles/files/65413200238.pdfIn PDF document text
  • https://oriental-kitchens.com/userfiles/files/wipogivutojij.pdfIn PDF document text
  • http://work4shop.cz/userfiles/file/2608169577.pdfIn PDF document text
  • http://alfatreyd-mebel.ru/archive/images/file/wemaned.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/c90eabac0715c40c8c79a65c42e8fe06/rolimaturoginogeneje.pdfIn PDF document text
  • https://xanbiente.de/userfiles/file/6311867013.pdfIn PDF document text
  • http://atsolution.org/userfiles/file/20210911130259218789672.pdfIn PDF document text
  • https://radekslodkiewicz.pl/files/file/9785258791.pdfIn PDF document text
  • http://izeninfo.net/admin/upload/files/21851845528.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/nokudabivopitegodilimi.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/161418597b2dd4---56962256726.pdfIn PDF document text
  • https://zilalcooling.com/other_files/File/kebinitexekal.pdfIn PDF document text
  • http://joyear.com/ckfinder/userfiles/files/17235236487.pdfIn PDF document text
  • 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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