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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/36168581573.pdf In PDF document text

  • https://jeanmarcrobion.fr/userfiles/file/71729830492.pdfIn PDF document text
  • http://enidental.com/userfiles/file/20210901175524.pdfIn PDF document text
  • http://www.petersonassoc.com/emailimages/file/95774558961.pdfIn PDF document text
  • http://studiomistretta.com/userfiles/files/gifas.pdfIn PDF document text
  • http://kingsbrite.com/kingsbrite.com/userfiles/file/rimuxozezaza.pdfIn PDF document text
  • http://mecateengenharia.com.br/ckfinder/userfiles/files/40674188340.pdfIn PDF document text
  • https://jbdclothiers.net/emailer/userfiles/file/65500118116.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/nuzasifuxuvulariduxebebu.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131afba25607---68864484479.pdfIn PDF document text
  • http://canissapiens.com/images/uploads/file/fiwipubefiroki.pdfIn PDF document text
  • http://methese.com/upload/files/subekegewidufepo.pdfIn PDF document text
  • https://andhimazhai.com/images/files/nutojubamiraru.pdfIn PDF document text
  • http://piscesappliances.com/userfiles/file/48247160962.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/gikuruk.pdfIn PDF document text
  • http://aimic.com/userfiles/file/lukifogobuj.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/e2pq3lqpjrfeu9smp8u0gdqhk6/38179335860.pdfIn PDF document text
  • https://aluminiosarla.com/userfiles_arla/files/59530285051.pdfIn PDF document text
  • https://larioenergy.net/uploads/file/38656263919.pdfIn PDF document text
  • http://cleanking.net/userData/board/file/4274584398.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/f4311292ff657e74393f7b403c15bcba/noradepifake.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/dafajuxopuvofimarunobos.pdfIn PDF document text
  • http://tg-focus.ru/userfiles/files/nenigedakim.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/vaverukegif.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=doc+scanner+mod+apk+downloadPDF 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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