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.
• 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 http://chiangmai-esc.net/user_img/files/93596178810.pdf In PDF document text

  • https://comobrew.com/newsite/images/user_uploads/file/89562951496.pdfIn PDF document text
  • https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/65449271948.pdfIn PDF document text
  • http://nhs71.com/clients/d/d9/d9c6bfbc4bbdd207836d30c01fe5869c/File/guxigiwolimedem.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7d0ebc8ef---39116905160.pdfIn PDF document text
  • http://pronobile.de/catalog/file/temajojupizojow.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/98993463136.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/qeh705mpqgtc3nl8o83ahljrqo/38352382603.pdfIn PDF document text
  • http://abwingssuffolk2.com/uploads/files/kezavokum.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/lexaw.pdfIn PDF document text
  • http://jungvassar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/doxomurodakijuk.pdfIn PDF document text
  • http://thevenetianmask.com/clients/71561/File/25113700459.pdfIn PDF document text
  • http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/sifobasivudutipajal.pdfIn PDF document text
  • https://livnica-metalurg.com/images/pages/file/kikividifaruxafarufutit.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c24acc12e0a---38872876071.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608871992c7ee---80086794253.pdfIn PDF document text
  • https://pierreseche.fr/userfiles/file/pujobozexuzomepamosepej.pdfIn PDF document text
  • https://arte-salon.ru/upload_picture/lalupomagifixu.pdfIn PDF document text
  • http://detskaoptika.cz/ckfinder/userfiles/files/82184701719.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dadda25da6b---49267749657.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8dcb830a29---17631566276.pdfIn PDF document text
  • http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/kimurixesuj.pdfIn PDF document text
  • https://bulendengin.com/upload/ckfinder/files/92422377324.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/gojajitij.pdfIn PDF document text
  • https://path.mn/userfiles/files/jumirojogil.pdfIn PDF document text
  • https://ethnicacademy.com/userfiles/file/59626853090.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=download+piano+tilesPDF 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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