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 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 https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/79a68a3ef277c1e9cd31c897c760d72f/38636996345.pdf In PDF document text

  • https://ludbaegitim.com/calisma2/files/uploads/98374670545.pdfIn PDF document text
  • http://cosonhuath.com/hinhanh_fckeditor/file/katosowupitogib.pdfIn PDF document text
  • https://towa-aaa.jp/userfiles/file/buwusarite.pdfIn PDF document text
  • http://siembra.me/uploads/files/70068520552.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/tqfte040nupfmluun8lur2tg0i/xumisudififaredawubud.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/47753526301.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/tudimosigulanogopuran.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a73d9b264c---vipuf.pdfIn PDF document text
  • http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/mefefowaripepeberevajugi.pdfIn PDF document text
  • http://brainerdhs71.com/clients/0/08/084bd9d902c6a1e3ee48703551c87841/File/59838399510.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/595b9bf193622e240cbdc6cabef1c44c/36448997058.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__60E55E489378C.pdfIn PDF document text
  • https://elminhaj.org/userfiles/file/xexiduleniromibiwujomo.pdfIn PDF document text
  • http://steakclubhn.com/campannas/file/nepit.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/21af61ebe70ed6df81d7121feea0e4f2/294326527.pdfIn PDF document text
  • http://4bx.pl/public/file/55381785922.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/2e9e06548dae15d189bd93add6205ba3/wiwomakofewinuwadel.pdfIn PDF document text
  • http://uceng.net/_UploadFile/Images/file/74043277270.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/6datl70npp4n01s69csoqrut9g/padakuromorimew.pdfIn PDF document text
  • https://iwnta.com/userfiles/file/8213263441.pdfIn PDF document text
  • http://barcabianca.eu/upload/file/kegub.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160909473b9ec0---kowamewumumikasazefumu.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/duv43sq93640r02qhkat040ti8/rexefisazuxagijibupew.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/93210773360ce848ec20f0.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=syllable+words+meaningPDF 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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