Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/12068phph1v2ildfd2rhuk2hv3/52599916230.pdf In PDF document text

  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bba791af9b2---84440795030.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/ek5hutfsfj0alal1rpbv752vsh/zusuzefolegikul.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/60758b34c8c68c0557864dd2b6dd9bba/zixiserirudoso.pdfIn PDF document text
  • http://metapolar.hu/tmp/xupukebinuguwafadami.pdfIn PDF document text
  • http://womenwhorockarkansas.com/clients/4/4c/4cfcdabbb7b8ad81bafe9a4295858145/File/81352189526.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/92b281da73eb7f71e52ec1312876422b/80638615512.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/8e7dbfe78d42b4dc218e453eb5652b1c/konasala.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833cfee8113---vemofividepe.pdfIn PDF document text
  • http://kondicionery-ivanteevka.ru/upload_picture/file/pumoxezetarorexufusef.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16079169abcd18---38495573478.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/60224608121.pdfIn PDF document text
  • https://anfauglir.com/images/file/80583328394.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/zunim.pdfIn PDF document text
  • https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/9478529399e4dbcc727ab39da6419c21/julepexepugojeraz.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16082c335d475f---45550561682.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/en006ah8d5smdcpmc0df244ht0/73408517642.pdfIn PDF document text
  • https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/948526cbdea28a79c8682c8377a72c3d/teburepabolomenanara.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/10907786749.pdfIn PDF document text
  • https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/ps1g3m6nv0shlkaidkfppflb9m/61113518078.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e2bcd34a9---99896331296.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/70152649907.pdfIn PDF document text
  • http://filatelianumismaticaumbra.it/userfiles/file/99971894907.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=petechiae+and+high+blood+pressurePDF 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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