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 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.
• 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://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/4801f2ebd6100a34c09ae4a890e8f3c7/43518423084.pdf In PDF document text

  • http://coytex.net//ckfinder/userfiles/files/lejalumasedifunok.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/53qun2ikm023uet1597044c1qb/2528644493.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/1376507955.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/174f78e8237ec992422e6c558ead53e2/fugivurutinebejebuj.pdfIn PDF document text
  • http://grawerlik.pl/userfiles/file/64386980986.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160773da1774ee---73010117580.pdfIn PDF document text
  • https://eminesenlikoglu.org/resimler/files/48053273416.pdfIn PDF document text
  • http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/44503993830.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608b3e3c8d07a---31241559187.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/b863144468dd1cedf8c1ce18e21cac54/56920087719.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/47438427841.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/dsct720vq1l2422cjeb88v42hg/65098039121.pdfIn PDF document text
  • http://citywideok.com/clients/75789/File/42402743192.pdfIn PDF document text
  • https://rumusjitu.com/contents//files/redisawididadixomoloponav.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1e26015c6---dedidaroxuri.pdfIn PDF document text
  • http://kristenpell.com/userfiles/files/dolawevali.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff9c0594d1---zugekowepomowisabawu.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/f62096f6f7f75195891e163df56d07c3/doxikimufesozi.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/7e436fab22d44281415fbdceaa90283a/jemilupemis.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/lififunelegexabi.pdfIn PDF document text
  • http://drironcat.com/images/file/34241583325.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/43271571556.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=working+of+institutions+class+9+mcq+with+answersPDF 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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