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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/ecdhf3vpg8qrtnuakqn4ofj5hm/45478185789.pdf In PDF document text

  • https://e-uchebnici.com/img/file/ladimi.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/th86crdi1kgdeun5lta0qp1cud/panosesizexigafegijox.pdfIn PDF document text
  • http://fhs76reunion.com/clients/0/00/009202203981f132fd14d012a57c0fe5/File/57686243377.pdfIn PDF document text
  • http://wernersuarez.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/96562451655.pdfIn PDF document text
  • http://idroter.org/userfiles/files/54743148071.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/ea8efc57fa27e659af8437fad846fe1d/buxefe.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/5921e73771fff4fe452d38b20ecd757d/pemupog.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/usu6i97fs3dtcsv47abu6b2sdb/tusunavununojubavusemotut.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e65660b4b---fisusuzanod.pdfIn PDF document text
  • http://candientuvibra.com/images/file/67440966011.pdfIn PDF document text
  • http://oaklandscreche.ie/userfiles/files/5951801130.pdfIn PDF document text
  • http://www.umadai.com/ckfinder/userfiles/files/60066351755.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/mupozufuwenem.pdfIn PDF document text
  • http://spamsmsgiare.com/media/ftp/file/vagovalo.pdfIn PDF document text
  • http://anpo.vn/upload/files/63768230631.pdfIn PDF document text
  • http://residenzaeden-albisola.com/userfiles/files/91285455375.pdfIn PDF document text
  • http://casier-a-bouteilles.com/file/naniseniwuwi.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160cf3eea88267---nimojudiriwegokerukafene.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/4201e26c85d94994105519120359e929/jerexupar.pdfIn PDF document text
  • http://foodchemsino.com/d/files/daxugijopipejobilofa.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094a13a949d0---fufirogidigokozon.pdfIn PDF document text
  • https://betibg.eu/webroot/img/files/zadizi.pdfIn PDF document text
  • http://pcccphucvinh.com/upload/files/minusamepu.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b56858cd0c---69552252736.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607c018c1e370---81154924204.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=introduction+to+anatomy+%26+physiology+pdfPDF link annotation
  • https://medlineplus.gov/anatomy.htmlIn PDF document text
  • 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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