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://language-coach.pl/uploads/files/55770943668.pdf In PDF document text

  • http://malifer.hu/upload/file/85082463183.pdfIn PDF document text
  • http://mpu-beratung-brendle.de/userfiles/file/58364107601.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/160f1830ab3299a7b356c9c5dd0f5eef/55217350189.pdfIn PDF document text
  • https://oumkua.com/userfiles/file/61799510090.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/adrpq9q14vmihr3v26l49suom5/gebenikipowojifafinemebej.pdfIn PDF document text
  • http://miamiokclassof65.com/clients/d/db/dbefc63a503cf3d3a4f9fb61678ecc08/File/27496507661.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790c346ce57---96051764476.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b4fc1fcff2e---84133015594.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/6b32ed6eae9c1f01748d420b1755e5b7/17111192425.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16077a9cacb77e---soxoziserukalo.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609253de92aed---zemopatatoneniri.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b0667ce827b---51747129912.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/432grfvg1bsqge82riftme9kpi/94489834375.pdfIn PDF document text
  • http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/91736817767.pdfIn PDF document text
  • https://standardpromotion.com/images/upload/userfiles/files/65909379996.pdfIn PDF document text
  • http://karinameal.com/imgdish/files/75692169912.pdfIn PDF document text
  • http://perfekttorun.pl/pliki/felomadu.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160deb96be8a47---92876533517.pdfIn PDF document text
  • http://chi-kara.net/userfiles/file/30215993728.pdfIn PDF document text
  • http://s2ipower.com/survey/userfiles/files/16910040735.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/39438f2cf2a72b3e7e96952f49a1dce2/vukizurakadunaku.pdfIn PDF document text
  • http://donaldbermanmaimonidesgolf2021.com/clients/0/0d/0d43fbb8ff91cab41fa1b056c0d912a9/File/zolosoferu.pdfIn PDF document text
  • https://anandamsanyal.com/userfiles/file/57939604301.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/d7a03742c5746d741ba6d63a2dd40fef/81073846677.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/44eicq4r3ltpgucspg1ktmg805/63953050806.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=guia+de+cte+cuarta+sesion+2019+secundariaPDF 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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