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 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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/6675c81277685d67a08c1f7d4935d949/18944815638.pdf In PDF document text

  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bcc4af9e440---41070079133.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b92a7195fca---28091244864.pdfIn PDF document text
  • http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/19847231110.pdfIn PDF document text
  • http://asijskepotraviny.cz/files/file/65744399521.pdfIn PDF document text
  • http://simpelms.nl/userfiles/files/87732868283.pdfIn PDF document text
  • http://alliusie.com/userfiles/file/lesudexurix.pdfIn PDF document text
  • http://autobedrijvenindex.nl/images/uploads/9222190078.pdfIn PDF document text
  • http://prosquash.by/data/54267825243.pdfIn PDF document text
  • http://stepsforstarlight.ca/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/74822175758.pdfIn PDF document text
  • http://alteredcompta.com/buddha/ckfinder/userfiles/files/bubaw.pdfIn PDF document text
  • http://stevis.cz/files/file/62232126248.pdfIn PDF document text
  • https://daotaolaixesontay.com/uploads/file/5428830867.pdfIn PDF document text
  • http://perlawarmii.pl/userfiles/file/21690462030.pdfIn PDF document text
  • http://sammyurias.com/userfiles/files/kejasuwaxadokobeveru.pdfIn PDF document text
  • http://beastyenergy.com/userfiles/file/93063827973.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/a6c90e182b220454903b899761f8340e/2693850523.pdfIn PDF document text
  • https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/4plk9ivg6dfeso5mh28vpbfme5/53044828501.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/e31e53699c6658b93366e2d673b94e28/vazujadogolivetusi.pdfIn PDF document text
  • http://sclifeguards.com/clients/16854/File/59313713252.pdfIn PDF document text
  • https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/46919306485.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/11976658177f501fdd72ee7913df4428/gajezodubaxif.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9f6632f771---97418186790.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=naming+acute+obtuse+and+right+angles+worksheetPDF 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 extracted file (font_00_sfnt_off0000d04a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d04a.bin)

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