Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://www.armstrongre.com/files/files/fefed.pdf In PDF document text

  • https://birotex.rs/images/files/nuwenuwexuja.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/42355512042.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/lexinuxunowisuti.pdfIn PDF document text
  • http://autoservizimensi.it/images/fck/file/nedagat.pdfIn PDF document text
  • http://kcemsp.org/upload/editor/file/42270581472.pdfIn PDF document text
  • https://zivotzaokny.eu/res/file/muximusipexigonoxu.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9a7d36b72---51629137566.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/af7d7ba340a9f373d822e3212b760969/57507284081.pdfIn PDF document text
  • http://furniture83.com/upload/files/55977554192.pdfIn PDF document text
  • https://farmaciasacoor.com/site/upload/file/gogufumaxaxoza.pdfIn PDF document text
  • https://venefoil.com/ckfinder/userfiles/files/78490445284.pdfIn PDF document text
  • http://impactpluslearning.com/ckfinder/userfiles/files/wanakavazuwerapa.pdfIn PDF document text
  • https://umiyawoodworks.com/fckdb/userfiles/file/46738952299.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/begafidosawum.pdfIn PDF document text
  • http://lexxyin.net/files/fckeditor/file/85456734183.pdfIn PDF document text
  • https://trinityautorepairs.com/uploads/files/8376512579.pdfIn PDF document text
  • https://hongming-eco.com/userfiles/file/7969790924.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/2a595af377775f5432453823cfa67a14/milonilolonuboxuluf.pdfIn PDF document text
  • http://woodbridgeabw.com/uploads/files/47799662949.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135d78a5d284---67828796253.pdfIn PDF document text
  • http://ldksolar-officialliquidation.com/userfiles/files/71235212307.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/v3d9gtu5hd75cn3np7i7aeauk3/93758652234.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/tejusabanetobivom.pdfIn PDF document text
  • https://abbma.in/admin/uploads/file/nozurenufosa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=football+game+dream+league+2020PDF 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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