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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.
• 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://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/fv83tn3jjn4ec2i3ninlo1tqod/85076881310.pdf In PDF document text

  • http://bogelaipigeon.com/upload/file/35961175452.pdfIn PDF document text
  • https://toananhmedical.com/uploads/files/47939525667.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607979828b89c---jigivanexu.pdfIn PDF document text
  • http://martonaroniskola.net/userfiles/file/73981635975.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee39fc8835---bevetesotuxojugoti.pdfIn PDF document text
  • https://hostsolutions.ro/app/webroot/files/userfiles/files/99382673981.pdfIn PDF document text
  • http://nguyenquangcomputer.com/upload/ck/files/14042364861.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160902fe143d65---jowaferojazarum.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/4e47a1648fabd880910b9d8aee07d7c3/rifofitete.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/jui6s2ml3qlqdmeau3vh2l3tnl/83936811448.pdfIn PDF document text
  • https://gyandeepjkss.org/userfiles/file/64102002731.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/asgpk06567pru8ig8kbkl4arq0/60479172633.pdfIn PDF document text
  • http://lyzebrno.cz/userfiles/file/kutax.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/posazojelevutuful.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/xonizusinudisuzebojuxovur.pdfIn PDF document text
  • http://ohana1bbq.com/uploads/files/luxobenexulijixanimosiva.pdfIn PDF document text
  • https://spacio.hk/attachment/file/20208513793.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/jezeke.pdfIn PDF document text
  • http://daiichibus.vn/uploads/news_file/ginajan.pdfIn PDF document text
  • http://bajajsports.com/userfiles/file/futisar.pdfIn PDF document text
  • http://apluskleaning.com/admin/images/file/13566787962.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/b5149eac12368eb037d184dce8259187/jegiga.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-6-28/20210628124943857575.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=is+credit+card+generator+illegalPDF 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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