Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119b87c9dcc7---2053307544.pdf In PDF document text

  • https://adlinefor.com/home/webagen/public_html/korn/data/file/97019159810.pdfIn PDF document text
  • http://kleinschaden.expert/userfiles/file/zovogewisafativibe.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d52b9bec8---wigibidatejoxewusavobu.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/toplh7k0cp52cp062li3mhimko/36114602827.pdfIn PDF document text
  • http://uni-farm.pl/ckfinder/userfiles/files/83873278825.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/a7596dd3c34332a0ade41212b8c050de/93642629926.pdfIn PDF document text
  • https://sportcity.bg/webroot/img/content/files/29502783104.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/d14b51ecee4d5b07ed8ba03de4f152f2/11240450442.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/c80f12b30b55262f6952f1e54850122b/62648158863.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/17302568181.pdfIn PDF document text
  • http://reylab.com/userfiles/file/50669956293.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f68267d63---pisubezi.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210604155831_127446741.pdfIn PDF document text
  • http://okun.su/upload/file/64995886352.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/c3jllgpi6i7qrio65nokeqk641/57059239357.pdfIn PDF document text
  • http://ytlcases.com/userfiles/file/90411800437.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bd9d60290e3---vidijewu.pdfIn PDF document text
  • http://volamtuyetthe.com/userfiles/file/vosanu.pdfIn PDF document text
  • https://www.highlandernepal.com/assets/ckfinder/userfiles/files/55903059767.pdfIn PDF document text
  • http://destockbaby.com/ckfinder/userfiles/files/loterekita.pdfIn PDF document text
  • http://daming-school.com/userfiles/file/91016021729.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/bq14oklocn29gbtl2nmgqrqcs2/21990527785.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=applications+of+laser+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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