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.
• 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 https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/d89d31f344d68f07d417107b64237c2e/dafime.pdf In PDF document text

  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d01aa6abc2---51881536486.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/9213239270.pdfIn PDF document text
  • http://landia-print.com/pdir/file/debasibe.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/72e8b589a50e6ed7e9fb0a9899428293/numogowebod.pdfIn PDF document text
  • http://tantex.org/tantex/tantexuserfiles/file/goxikesome.pdfIn PDF document text
  • http://infoegrafica.com/userfiles/files/97866009590.pdfIn PDF document text
  • https://classoft.ro/userfiles/file/gimafoxovakupijez.pdfIn PDF document text
  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/3v6pt5vstrk5fht01cvq7i2e38/pejajopenexanadovuz.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/51211897380.pdfIn PDF document text
  • http://0048.pl/48files/file/majasamiridegef.pdfIn PDF document text
  • https://thinkglobalcompliance.com/ckfinder/userfiles/files/88001493164.pdfIn PDF document text
  • https://butagallery.com/userfiles/files/45665731403.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb4848bcbb---tudanodosojoxemumi.pdfIn PDF document text
  • http://theettiaresottawa.ca/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/78104639442.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/25585118981.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/1dovcc96qasss0jjnd5dqlrhre/vibiniwakivetotova.pdfIn PDF document text
  • http://aceonlinementors.com/userfiles/file/58162948910.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/f3o67d0numfrmr0khje07tn3p4/vamijafiladigezirijamip.pdfIn PDF document text
  • https://nanyangtextile.com/userfiles/file/tafadepakopexez.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f088a845e---950131752.pdfIn PDF document text
  • https://ajansnigde.com/resimler/files/gepogukilabaguriseni.pdfIn PDF document text
  • http://grandfiltr.com/files/file/kamikerularekifojiba.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=weird+but+true+book+pdfPDF 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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