Malicious PDF — malware analysis report

Heuristics 8

• 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.
• JavaScript action low PDF_JAVASCRIPT
  PDF contains a /JavaScript action. 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 http://ekogamma.pl/javascript/ckfinder/userfiles/files/fagapefo.pdf In PDF document text

  • http://ural-resyrs.ru/data/file/34680956819.pdfIn PDF document text
  • http://janatalnajaf.com/basefile/janatalnajafcom/files/jigixujamabamudomup.pdfIn PDF document text
  • http://tahi.hu/ckfinder/userfiles/files/jirotab.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/23f8ce56a90362af334ec04a0200329e/xijuneritexigogokujuwe.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/90abf6ca9e7bbfea70836fc7536549cc/vabiwizegirokenaleviguf.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608568f801ab4---kibateden.pdfIn PDF document text
  • https://sfeerweter.nl/userfiles/files/68518063100.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/ec9db42f5cb9681c6927c608a0b3acf8/nemupefovaremesumati.pdfIn PDF document text
  • http://abimobiliare.pl/pliki/File/25577449637.pdfIn PDF document text
  • http://rfychina.com/upfiles/files/16249038924903.pdfIn PDF document text
  • http://deltastal.ru/userfiles/file/3933792384.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/mcigdov9e1675pj9mie86qeqj2/rokirile.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/gemivisovij.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/e1ce58b3dc04ec2589f1251e5f37217e/40540241344.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8755fcae35---95307522738.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/tifilojavetodok.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1609566afc63d5---bodaliguxorizo.pdfIn PDF document text
  • http://hattingtoemrerogsnedker.dk/userfiles/file/32734026886.pdfIn PDF document text
  • http://smart-ventures.ch/upload/Editor_Images/files/92850539429.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/cb3889cd5ae66d2ae5ee2a60da6ba0f2/43234727761.pdfIn PDF document text
  • http://odesignlab.ru/admin/ckfinder/userfiles/files/18415660612.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/25024767924.pdfIn PDF document text
  • http://hart-metale.pl/gimnazjum/userfiles/file/31416671368.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=can+android+users+play+imessage+gamesPDF 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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