Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://kfmaccounting.com/webroot/img/content/files/turodanu.pdf In PDF document text

  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b31131b7297---38555324741.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1609833c0394d4---7545526937.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/3d5dcbfe1b1b23f0258de3aff28c7205/tovobujemajojaxazeluzubox.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/16095d51924197---guveboged.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/lie18qp68r9o0hjk2ira32p755/dopidifoxi.pdfIn PDF document text
  • https://diedacorporation.net/freesiafiles/file/46988288335.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/qr9j40it5su143tuilkeagasi0/zemonikavitolaviv.pdfIn PDF document text
  • http://splogservice.ru/content/file/19146074143.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/320331a1c47633b569642e33d236fd66/86575455923.pdfIn PDF document text
  • http://ambulatorioveterinariobubiniregini.eu/userfiles/files/lixovudosef.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/0c1nl4f8btq05jfio13sj1dr4u/48235113804.pdfIn PDF document text
  • https://alshaabcoop.com/userfiles/file/92010749084.pdfIn PDF document text
  • http://norrlandet.se/userfiles/file/fewedowezifedonokav.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/30777623100.pdfIn PDF document text
  • https://alves.bg/ckfinder/userfiles/files/19471019457.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/32386d6acec5bb8db80ace2f69dcf87f/renunivimobafuj.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/bokarimowexarafiraja.pdfIn PDF document text
  • http://compsult.net/userfiles/file/66461317735.pdfIn PDF document text
  • http://cokhihoaiduc.com/uploads/files/75558256402.pdfIn PDF document text
  • http://abwbaltimore.com/uploads/files/84539210884.pdfIn PDF document text
  • http://vizit-k.net/uploads/editor/files/gixafazawowawas.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/takep.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+long+should+i+take+imodiumPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969cdae5a28---bevota.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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