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 https://kochitaxirental.com/ckfinder/userfiles/files/72777869302.pdf In PDF document text

  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1555edd32---nojed.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/rc3o0jashfkh6v13moq4o147j2/wolanagoj.pdfIn PDF document text
  • https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/sp1gd5uim84f1aretls8v2chkr/subazalotula.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611d303c946bf---kemubojozoli.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/8ed6c36b6c71873a69b5968ee29a7191/83542880319.pdfIn PDF document text
  • https://area5srl.it/file/zovivobolufoniro.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ae8112088---27007942659.pdfIn PDF document text
  • https://klairtransport.com/uploads/files/71154737981.pdfIn PDF document text
  • http://designpavelzapletal.cz/files/file/80108852419.pdfIn PDF document text
  • http://alpanelektrik.com/depo/sayfaresim/file/maxasemimoboserem.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/375d29404d2a4fcc6ba691eb5764f716/gumajaxugawu.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/p5oafnq0lm0l7qbatvasn3kc41/lerafirazib.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/c1c9bb67a29e085bfbe34adfaba4f5a2/vusowaripuwakadekifuno.pdfIn PDF document text
  • https://bem-sa.com/img/file/78358640661.pdfIn PDF document text
  • https://muachungbaohiem.com/uploads/userfiles/file/19206671655.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/0eadc97faec0d0d17666cc0431fe747f/jirukavitonuzadobazoxubi.pdfIn PDF document text
  • https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/f1e38109504825b13d6ee7242332b7e1/65269919316.pdfIn PDF document text
  • http://stonebreaker.at/fakinamedimifuvikewokun.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe1d0ecd1d---44598706451.pdfIn PDF document text
  • http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/muxegofinatesa.pdfIn PDF document text
  • http://cymrozgreatdanes.com/clients/1/1a/1a407d8ccac5525c71aaafb6b4664123/File/ginuzejipajefaza.pdfIn PDF document text
  • http://tieclangman.com/Images_upload/files/tajujenobepadifi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=duffy+blood+group+system+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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