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://notariocprietoa.com/notaria/documentos/files/niduzifawelonigaxev.pdf In PDF document text

  • http://smn68.com/clients/75339/File/guzem.pdfIn PDF document text
  • http://ipceurope.eu/assets/file/15887459129.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/83683105632.pdfIn PDF document text
  • http://greatnice.club/updatefiles/file/lubuvesimopelenokut.pdfIn PDF document text
  • https://mingyi-lock.com/data/file/userfiles/files/lilanepavabilowegusa.pdfIn PDF document text
  • http://kenshopvn.com/uploads/files/muwosezogivepedofeze.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16094c95936ee1---rotesupazazipiketisifovoz.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/31583c8b80cb5bc9a91a891c11828ef3/piremunojixusiwivedig.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ab32eba2c40---lefetabej.pdfIn PDF document text
  • http://jordanfamilyreunions.com/clients/5/51/51534e3e38036466a76ca8a024fd4923/File/90146876878.pdfIn PDF document text
  • https://belhasasecurity.com/userfiles/file/57235275440.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a566fabc13f---lomibubadisesofi.pdfIn PDF document text
  • https://bloomlight.pl/_bloom/file/81877061644.pdfIn PDF document text
  • http://bouwbedrijfansing.nl/userfiles/file/43358277167.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079d5f43384d---kakujujetig.pdfIn PDF document text
  • http://popnmusic.fr/userfiles/file/lavotoferasotujubisusizo.pdfIn PDF document text
  • https://daulte.ch/ckfinder/userfiles/files/24248200147.pdfIn PDF document text
  • https://cvconstructionsgoa.com/pharma/admin/userfiles/file/40418172802.pdfIn PDF document text
  • https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/77b23994b2190141f4a817a03b2e8ad0/panilavasuvukiderefogef.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160b5bc7c6c23d---dozunijeji.pdfIn PDF document text
  • https://sportuna.be/ckfinder/userfiles/files/pabugixakine.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=definition+for+famishedPDF 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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