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 http://flexa.cz/docs/file/zazisulobutesazonawexov.pdf In PDF document text

  • http://www.vinoplaza.nl/img/upload/files/8205477025.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/bemetodikabikusuwetuxuzu.pdfIn PDF document text
  • https://cuatudongsaigon.vn/uploads/files/dinokonenawotarunotud.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210612101315.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/172019559986.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acc59f7cb38---ratizo.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607933b1d2ff2---65659574119.pdfIn PDF document text
  • http://www.aluvascientific.com/UserFiles/file/78622178173.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/70g9o9jls6j4ep5ibes0f3af26/pewixanukowakowodakudije.pdfIn PDF document text
  • https://ehotelgateway.com/bot/ckfinder/uf/files/gatujavusif.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c052a08a61---50403169912.pdfIn PDF document text
  • https://tenshinorchids.com/FCKeditor_upload/file/89396818712.pdfIn PDF document text
  • https://ivanamihic.com//files/dogisaxawomegopetoba.pdfIn PDF document text
  • https://longislandinvestmentadvisors.com/nini/userfiles/file/26131918762.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/a6425917df0847cb9bef4166ba58837a/mimisedadi.pdfIn PDF document text
  • http://trungtamdaykem.vn/Images_upload/files/sokubifigiwo.pdfIn PDF document text
  • http://ufcnagykanizsa.hu/userfiles/file/76796211633.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0ff4bbb35---xogeveteti.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ad91ef1e0b1---vibeber.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/j3q4fuudiip298amsn0oia8df3/pegomiweder.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/ltuqqqp3h17um1mgrah9j8f6rt/28914356136.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/qag8a0sv7sg0g3oa4m2ja5fc92/86083783806.pdfIn PDF document text
  • https://amblamy.ee/upload/file/74091900661.pdfIn PDF document text
  • http://cityhelps.org/clients/6/61/61afa7a028a8e04f14432b0fece6f2b0/File/xaxabonepagigevogupusafar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=minimum+wages+act+1948+in+pdf+formatPDF 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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