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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• 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://211.129.1.225/system/ckfinder/userfiles/files/nexopukav.pdf PDF link annotation

  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/0a3dd78264499702f8c43ff94a7f1ad1/30001024507.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/e195992204e3919e660276fb5c9d300b/71666673284.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b0860d5f9---44150597594.pdfIn PDF document text
  • http://goldsunjsc.com/upload/files/6667870417.pdfIn PDF document text
  • https://upaspor.com/resimler/files/mabovoxomunuwiroz.pdfIn PDF document text
  • http://aczelzalog.hu/tmp/sokexugujifim.pdfIn PDF document text
  • http://sanraimundo.cl/dyn/uploads/file/33058198931.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/161420337a7084---fajedejem.pdfIn PDF document text
  • http://jaluzipro.ru/public/userfiles/file/63581515823.pdfIn PDF document text
  • https://viktorina.ledoritulys.lt/files/tutavo.pdfIn PDF document text
  • http://mastrodibaglio.it/userfiles/files/5283964123.pdfIn PDF document text
  • http://www.radanhorse.com/resource/files/mulagodovuzufusolurive.pdfIn PDF document text
  • https://jeevandeepspecialcare.com/ckeditor/ckfinder/userfiles/files/vivogulijitil.pdfIn PDF document text
  • http://projecthouse.bg/uploads/CKfinder/files/70853222451.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/48568619795.pdfIn PDF document text
  • https://giaphutelecom.com/tctt/sites/aaa/file/beriru.pdfIn PDF document text
  • https://siahotel.com/userfiles/files/zepomifibesibur.pdfIn PDF document text
  • https://zniczekowalczyk.com/user_images/file/tomoxogijasetido.pdfIn PDF document text
  • https://andana.us/files/files/dutorixuxosawigug.pdfIn PDF document text
  • https://drnanemilk.com/tctt/sites/aaa/file/jexibexisapovufekuxizezas.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145b1ad572f2---2699604061.pdfIn PDF document text
  • http://konferencii.org/web/uploads/assets/file/59753380446.pdfIn PDF document text
  • http://electronicaindex.nl/images/uploads/17554527807.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f46efaca18---47963835186.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/161340f3feb5dd---kutosuwixikifipinamazap.pdfIn PDF document text
  • http://profitoolinfo.ru/ckfinder/userfiles/files/94745941297.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=ethical+consideration+in+research+methodology+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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