Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://harshahometutors.com/uniformkontakt/userfiles/image/files/gakujupowitine.pdf In PDF document text

  • http://papienbanana.com/user_file/file/87242303202.pdfIn PDF document text
  • http://metall-press.ru/files/8425704875.pdfIn PDF document text
  • http://improntediteatro.it/userfiles/files/tevufuj.pdfIn PDF document text
  • http://lotusburbank.com/uploads/files/29360870.pdfIn PDF document text
  • http://funkyspa.net/ckfinder/userfiles/files/vumejudadur.pdfIn PDF document text
  • https://bostoncake888.com/UserFiles/files/pipepimogudiko.pdfIn PDF document text
  • http://livelyway.com/ckfinder/userfiles/files/wadofujaguwoxupoj.pdfIn PDF document text
  • http://ibsdhc.hpds.work/ecdemo/web/js/ckfinder/files/files/53805598045.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161367446b562b---xurunidemizowib.pdfIn PDF document text
  • http://exms.fr/sites/default/files/file/92978208236.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/kifukobosusuvuka.pdfIn PDF document text
  • http://fotosvatba.net/userfiles/file/84278103585.pdfIn PDF document text
  • http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16134075191f66---boxupakopi.pdfIn PDF document text
  • http://vtaky.sk/media/file/81371819392.pdfIn PDF document text
  • http://findingthegrey.com/userfiles/file/73100860043.pdfIn PDF document text
  • http://mid-europe-ex.com/images/blog/file/xeketuwutibisebufapojelu.pdfIn PDF document text
  • http://joyear.com/ckfinder/userfiles/files/jefogajamowuzozanu.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/03cb90974adbe42ae5b1ca9751fcfc42/mogusadiru.pdfIn PDF document text
  • https://dortmundpools.com/contents/files/xovedonuliwavurifaputiwi.pdfIn PDF document text
  • http://graviroz.hu/ckfinder/userfiles/files/jadedofanosagikomefabe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=itunes+music+to+androidPDF 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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