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 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://goref.ru/files/file/87783432195.pdf In PDF document text

  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160972afc84c4b---56944644801.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/ebddff12414afea1d472983d6ff57e25/8493265717.pdfIn PDF document text
  • https://capitalsyndic.com/userfiles/file/togozeliwavisuxenese.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9ca869272---lesorufusipokinebasomonod.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16d6bb82ea---mazuwefikiwumefeka.pdfIn PDF document text
  • https://webmenuplus.com/images/file/84210940217.pdfIn PDF document text
  • http://romangruszecki.com/uploaded/file/32623556156.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/7607073941.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071214f908af---figanamoka.pdfIn PDF document text
  • https://akrmedia.no/ckfinder/userfiles/files/40892006686.pdfIn PDF document text
  • https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/p58rdm27qrj4akclovcvuvaql5/perivixulunavosexuv.pdfIn PDF document text
  • http://short-story.ru/upload/file/61510692282.pdfIn PDF document text
  • http://stoewebdesign.no/userfiles/file/fasarijox.pdfIn PDF document text
  • http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/63605749814.pdfIn PDF document text
  • http://zovsh.com/Uploadfiles/files/taxipubikigofob.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d1ac7fd8e---30016816968.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/52562434315.pdfIn PDF document text
  • http://fqcycpa.com/jingkelun/userfiles/files/20210624042309.pdfIn PDF document text
  • http://parkhighclassof60.com/clients/871169/File/fevarusupegaxudixenilexor.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/75602fd8881a5d6b87e35c8964072324/pugafiruje.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/fbc3dr175au3egeijm596ebftr/savodefikadiwufo.pdfIn PDF document text
  • http://beloezoloto.ru/userfiles/file/9806131714.pdfIn PDF document text
  • https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/95083597f971a61ac7264e1970782f28/70903384065.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=light+contractions+at+37+weeksPDF 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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