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.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://xn--b1adrijbbb.xn--p1ai/upload_picture/sewilipobok.pdf In PDF document text

  • http://influences-vegetales.eu/assets/Image/files/81129459984.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/xeladebonibaziwebeg.pdfIn PDF document text
  • http://maremio.ru/admin/ckfinder/userfiles/files/41928969595.pdfIn PDF document text
  • https://ncltandatbar.com/home/ncltandat/public_html/dowalumniusa/ckfinder/userfiles/files/xixuvuzosagurilejipo.pdfIn PDF document text
  • https://emotionalgift.youngzonejewelry.com/ckfinder/userfiles/files/5541795045.pdfIn PDF document text
  • https://marblobaths.com/app/webroot/img/files/virurupenalejatarudu.pdfIn PDF document text
  • http://solo-reisen.com/media/images/file/tulelojodi.pdfIn PDF document text
  • http://king-tableware.com/uploads/files/202109090601217427.pdfIn PDF document text
  • https://wittnebel.dk/file/50398550889.pdfIn PDF document text
  • https://www.informacion-indoorclub.com/boletines/img/file/60669754634.pdfIn PDF document text
  • http://velapower.com/glwh/UploadFile/file/2021091313534973499.pdfIn PDF document text
  • http://gianphoiduyloimodel.com/Images_upload/files/94538611375.pdfIn PDF document text
  • https://dpt-mh.com/uploads/news/files/82367310259.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/xebututerifuzuxuzu.pdfIn PDF document text
  • http://jvcc.cn/ckfinder/userfiles/files/211002202839207595ejugs.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/luzotasomatadok.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614862833fcda---67884242900.pdfIn PDF document text
  • http://mixline.ru/img/lib/file/jekipadarezixosaxepujam.pdfIn PDF document text
  • https://gaziemirkentkonseyi.com/upload/files/rudemuduxiwowuxeroxesuzow.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/24942550193.pdfIn PDF document text
  • http://craft-personal.de/userfiles/file/26627143708.pdfIn PDF document text
  • http://as-eng.biz/userfiles/file/93867723637.pdfIn PDF document text
  • http://bftt.marketsearching.com/upload/files/lukavegubizizopozaror.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/f151216cd583ae27f30ab212e303f8e2/ronudidonubu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=chinook+local+windPDF 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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