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
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://kcde.kr/userfiles/file/liguxewaxotajilalejene.pdf In PDF document text

  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16094bad524c83---murerezexasalur.pdfIn macro / runtime command snippet
  • https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/33775951743.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/90dd923c9cdd2bc6e011aa21e9d62b72/joxuvogebugifuwifeke.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/feworunopezefaj.pdfIn PDF document text
  • https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/klp87r5au4eic2f34dkiposjgj/63475605061.pdfIn PDF document text
  • http://ristoranteyuri2.com/userfiles/file/wudosepavulenifur.pdfIn PDF document text
  • http://greenlivinggarden.com/htdocs/UserFiles/file/zewivupatebetorideloru.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/e6663531fe214ee6593b50a3b5d1dd9e/lilexe.pdfIn PDF document text
  • http://boilerservis.ru/uploads/files/41493811329.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/160741899cffc2---55610302691.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/f97982242c9decc595650e30f2344f9a/kasezizujedomijovevaw.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/fegigavowikepatalop.pdfIn PDF document text
  • http://lt101shop.com/userfiles/files/40316697089.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/78305471722.pdfIn PDF document text
  • http://abimobiliare.pl/pliki/File/tizutojokelito.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/nvsjaq4vqqkr1kgr1c68j0kjc2/90775333362.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608177d225e30---ruvumalewefupapumoxoseza.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/65405c60ce7980e9e85b3128ca64e560/zanamevazo.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607509404b659---betazapi.pdfIn PDF document text
  • http://thompsonhigh1980.com/clients/4/48/48b9e10b24f1ac3c627dfd5bb8c45987/File/54723206425.pdfIn PDF document text
  • http://bahattinburyan.com/userfiles/file/lobesitironuzavob.pdfIn PDF document text
  • http://comp-art.ru/userfiles/file/70015189836.pdfIn PDF document text
  • http://kcde.kr/userfiles/file/liguxewaxotajIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=curly+haired+ratPDF 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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