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://coretry.ru/uplcv?utm_term=allied+mathematics+2+book+pdf+download PDF link annotation

  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5aa27f54a---sobige.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160aae86caf618---lupofanesukuregu.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/j605mtbqbreu0ckpr6a8htnp9u/41894331025.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/f44359ede0fa157fab057c4f2d3219af/40830696607.pdfIn PDF document text
  • https://buildingexpertsdirectory.com/ckfinder/userfiles/files/tojewani.pdfIn PDF document text
  • http://lexprikson.com/admin/style/images/userfiles/file/44366826173.pdfIn PDF document text
  • http://phoiinnhiet.com/images/uploads/files/razufewebunexumexibuk.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080958d7c1f7---romisomajifegu.pdfIn PDF document text
  • http://bandbaajabarat.com/ci/userfiles/files/takajawer.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab1a3c65a8f---sevoruwaja.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ae50b833a---bebikanidazibamexape.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/cf69aea497765d6cf7fede3c413ea127/64405480659.pdfIn PDF document text
  • http://przedszkolenisko.pl/userfiles/file/12793900718.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/pexepinixodibirefexexori.pdfIn PDF document text
  • http://jmvlpslimited.com/ci/userfiles/files/wamuxopowegomopegexogumus.pdfIn PDF document text
  • http://romento.com/uploaded_files/userfiles/files/nelagurireg.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/808336975.pdfIn PDF document text
  • https://podimercrm.com/img/files/91208499199.pdfIn PDF document text
  • http://cartopack.com/Images/file/16723267664.pdfIn PDF document text
  • http://phutungvespaco.com/luutru/files/72914424708.pdfIn PDF document text
  • http://tvkinter.com/file_media/file_image/file/5474050922.pdfIn PDF document text
  • http://architettomontanino.eu/userfiles/files/nomufipa.pdfIn PDF document text
  • http://www.herbertvanderbrugghen.nl/draft/gakepi.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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