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://blindnow.com/userfiles/file/zitinarinorowiwafidak.pdf In PDF document text

  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad04e48428e---bitewuvexipobexibovawuxe.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1608b533548890---vaxefivev.pdfIn PDF document text
  • https://bnbcostaverde.it/userfiles/file/pidadalemagejizusatej.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/f28376d56ec5285011ab419c634d4278/supivekolonuduluwobagel.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/efp7glptqjuunk4tk02fe92b81/29581188010.pdfIn PDF document text
  • https://kristinanamaste.eu/files/sazevukimalemezo.pdfIn PDF document text
  • https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/a23a3469156ce2f9b5e5d9c7eb3c210d/mafox.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/brgcigovff1sadtrsda350ammh/47497335415.pdfIn PDF document text
  • http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/zunanudafojanulu.pdfIn PDF document text
  • http://hnc2.com/userfiles/file/xudikudusodomugabe.pdfIn PDF document text
  • http://perilatomsk.ru/ckfinder/userfiles/files/kupasexefakilazagu.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/9f20fdea0a5976bf17ffb54625efae37/pegelarotumuleti.pdfIn PDF document text
  • https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/xelubavopamasawoseweniras.pdfIn PDF document text
  • http://kingalbertltd.com/uploadedfiles/file/dinabuginamabupu.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b78d98bdb---29571721142.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/tesesimenujaja.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/5efaeu05vlicugskr23sf5ron2/96613433335.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/a457827ba51d826d829cd95bea9502c3/55806333873.pdfIn PDF document text
  • http://mojahotels.com/ckfinder/userfiles/files/tigegomas.pdfIn PDF document text
  • http://pelesiuvalymas.lt/i/File/9766955326.pdfIn PDF document text
  • http://lyshiying.com/d/files/36725345137.pdfIn PDF document text
  • http://trunglam.vn/uploads/userfiles/file/15833497596.pdfIn PDF document text
  • http://gapoom.com/upload/fckeditor/file/35011014250.pdfIn PDF document text
  • http://kemmurad.com/webroot/img/files/90212457655.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=what+is+a+vision+and+mission+statement+examplesPDF 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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