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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://crewmak.ru/uplcv?utm_term=android+10+next+update PDF link annotation

  • http://lactopad.com/uploads/files/11881875669.pdfIn PDF document text
  • https://mldom.xyz/web/img/podborky/files/sotuzovomoximomavebapami.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfa6cd378c---mukikogabegafufipa.pdfIn PDF document text
  • http://sutipatika.hu/userfiles/files/laxosamegixowukej.pdfIn PDF document text
  • http://izeninfo.net/admin/upload/files/fudugutekinome.pdfIn PDF document text
  • https://newtop-eg.com/userfiles/file/70693651131.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161383fdcdc44c---jametawodaj.pdfIn PDF document text
  • https://willes-gb.com/uploads/files/202109031137057773.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/89677839724.pdfIn PDF document text
  • http://macabrey-luthier.fr/data/Files/59126296240.pdfIn PDF document text
  • http://alltimescare.com/attachment/files/90213514516.pdfIn PDF document text
  • http://daiduongmetal.com/uploads/ckfinder/files/33541507523.pdfIn PDF document text
  • https://limpiezasinasel.com/userfiles/files/lenojarafameleganugegonu.pdfIn PDF document text
  • https://santa.sg/images/users/00000000/files/sizipopopeg.pdfIn PDF document text
  • http://cmsrecuperocrediti.it/images/file/zafalonewevegezavag.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143bad138817---tuxanafe.pdfIn PDF document text
  • https://renewone.de/files/kekovolejesukonuvat.pdfIn PDF document text
  • http://cbcom.eu/ressource/site-image/files/bizegerogefutop.pdfIn PDF document text
  • http://5percent-design-action.com/upload/users/files/pedode.pdfIn PDF document text
  • http://china-engine.net/ckfinder/userfiles/files/32227651092.pdfIn PDF document text
  • http://chaukitchen.com/uploads/files/83330886505.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/10464438417.pdfIn PDF document text
  • https://lanegarrett.net/userfiles/file/55535682977.pdfIn PDF document text
  • http://sanmorales.es/userfiles/files/34906550476.pdfIn PDF document text
  • http://awarelaxcentrum.cz/user_files/file/fukesupepizifezixejogiger.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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