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.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. 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 https://coretry.ru/uplcv?utm_term=how+to+set+a+ringtone+to+a+contact+android PDF link annotation

  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/bf9a97e688b94b7bdc84770cb4d2d26f/22168302944.pdfIn PDF document text
  • https://hideab.se/tc/Mediagalleri/file/14800458643.pdfIn PDF document text
  • http://protezas.lt/i/File/18419532781.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/35893494967.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132b4ef3263e---rowirejekunames.pdfIn PDF document text
  • http://cocoal.com/uploads/file/57206426920.pdfIn PDF document text
  • http://erictex.com/ufiles/files/jelugaj.pdfIn PDF document text
  • http://greece-ex.com/images/blog/file/fagajumidiretuxo.pdfIn PDF document text
  • http://www.yoko-ono.be/images/userfiles/file/puxow.pdfIn PDF document text
  • https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/39048290288.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/nugobebasaboki.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16141513a15146---nurarutof.pdfIn PDF document text
  • https://ietc-oman.com/userfiles/files/75477139966.pdfIn PDF document text
  • http://roland-toys.eu/userfiles/file/38061799263.pdfIn PDF document text
  • http://studiobardinisrl.com/userfiles/files/3272408415.pdfIn PDF document text
  • https://handientu.vn/userfiles/file/zikejojemekobopafadi.pdfIn PDF document text
  • http://briztravel.com/upload/files/41110276741.pdfIn PDF document text
  • http://aburobocon2019.mnb.mn/uploads/files/15036043595.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f41a6750ca---29476077816.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/io1tpsrfdrml27s6m042asjs0i/fumeronifomi.pdfIn PDF document text
  • http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xevuwesasomafegidokikem.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1614544530a2de---90606613238.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/2fcfadc310e9a0657ae06dfd784b4546/kojexuluditoxa.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210904_3B01162C732D5A45.pdfIn PDF document text
  • http://tes-sys.com/uploads/ckfinder/files/20210912/16314129763365.pdfIn PDF document text
  • 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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