Malicious PDF — malware analysis report

Heuristics 7

• 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 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://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/d0763b5352855b425ab7271a60cf0de7/77628052104.pdf In PDF document text

  • http://poetryforthespirit.com/clients/872464/File/fexivotatevifovetak.pdfIn PDF document text
  • http://sunnysidehigh65.com/clients/d/d0/d00d1ad1640c45b888f5e58ac216a5d1/File/welelamubu.pdfIn PDF document text
  • https://civilkontroll.hu/uploads/file/vokebusidun.pdfIn PDF document text
  • http://bluebirdcanada.com/FileData/ckfinder/files/20210714_5AFE608374717ECE.pdfIn PDF document text
  • http://9meclinic.com/ckfinder/userfiles/files/53883378991.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/08fd422a3adaccc9bb7c15727c6c7336/satanujubogovaza.pdfIn PDF document text
  • http://www.uniformsolutionsforyou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d541034a1a---15241732984.pdfIn PDF document text
  • http://sure2trips.com/bot/ckfinder/uf/files/33050753754.pdfIn PDF document text
  • https://exihomes.com/userfiles/files/6872961599.pdfIn PDF document text
  • http://manilag.com/FileData/ckfinder/files/20210822_91ACE72891D6B147.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/sefikuv.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/tik6omp703pa97ea5enbl1d91n/33948672124.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/29557370196.pdfIn PDF document text
  • http://isystemlab.com/admin/ckfinder/userfiles/files/nuvudexezud.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/83072bafcac212aeea012d35c47f1e41/telapog.pdfIn PDF document text
  • https://principesgs.com/userfiles/file/23183768406.pdfIn PDF document text
  • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076964e90c00---5158391878.pdfIn PDF document text
  • http://thebankcardservices.com/uploads/files/95332727021.pdfIn PDF document text
  • http://hintzfamilyreunion.com/clients/1/12/12a2788c5de59b93c87e4eff35998d4f/File/18468464614.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/kemeruduvobo.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/81933270126.pdfIn PDF document text
  • https://sport-jicin.cz/dokumenty/xafufupinet.pdfIn PDF document text
  • http://falerisztika.hu/tmp/tuzofikilatajexiwejot.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=autocad+3d+drawing+exercises+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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