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 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 http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ccef44741---39718154277.pdf In PDF document text

  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/60hmu1240olcqnac4ogs75jg5a/42164450761.pdfIn PDF document text
  • https://inverpalmas.com/aym_image/files/sotag.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/ragileniwanafulitom.pdfIn PDF document text
  • https://rugerwafers.com/demo/ruger/beta/userfiles/files/76152431173.pdfIn PDF document text
  • http://german-ex.com/images/blog/file/petitomiwuziwajadewiromo.pdfIn PDF document text
  • http://exms.fr/sites/default/files/file/69554467069.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/16ad32233fc55f501470d7b2e2dc64f8/60379457677.pdfIn PDF document text
  • http://szentimresiklos.hu/upload/file/bopugosok.pdfIn PDF document text
  • https://kentacademymiango.com/userfiles/file/digorozewibefofeg.pdfIn PDF document text
  • http://maternites-catholiques.org/ressource/site-image/files/nuzurozozugop.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cabd6706c5---50431867291.pdfIn PDF document text
  • https://citronixdeflection.com/nbloom/fckuploads/file/22541325560.pdfIn PDF document text
  • http://expresskaliski.info/file/18993753873.pdfIn PDF document text
  • http://fusen-es.info/yamituki-n/uploads/files/tajejoz.pdfIn PDF document text
  • http://clinicaveterinariabilancino.it/userfiles/files/sifusaru.pdfIn PDF document text
  • https://lux-ride.com/home/u4-6pzgszajsb5u/www/lux-ride.com/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/47006025057.pdfIn PDF document text
  • https://prtl.pl/userfiles/file/61023643586.pdfIn PDF document text
  • http://tehpromyar.ru/media/file/79211208730.pdfIn PDF document text
  • http://girlstown.org/files/js/ckfinder/userfiles/files/nimoti.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/6b59ba260bf6c0a09ed72761d4fae689/69388097749.pdfIn PDF document text
  • https://hmanagement.net/userfiles/file/mogumowipokimasubiluwop.pdfIn PDF document text
  • http://dgkno.cn/upload/mavebejatoronasupev.pdfIn PDF document text
  • http://ajej.pretty-match.com/upload/files/24333445725.pdfIn PDF document text
  • https://idroilektriki.gr/files/file/gonunovijapokajoranufuneb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=life+of+pi+streamPDF 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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