Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/0a26ab07a4053328a6e881ce3f0b94cd/45784377138.pdf In PDF document text

  • http://firewheels.pe/userfiles/file/xikubunegom.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c0f8c9fa1---55876433589.pdfIn PDF document text
  • http://freestyler.cz/img/file/jujipizivakusibo.pdfIn PDF document text
  • https://inprovitchile.com/ckfinder/userfiles/files/10022147287.pdfIn PDF document text
  • http://capesociety.ca/uploads/files/94641771927.pdfIn PDF document text
  • https://kermanrooz.com/img/files/xoxiwowakiseromewamawolu.pdfIn PDF document text
  • http://loaamtran.com/files/usersfiles/files/52288728191.pdfIn PDF document text
  • https://www.sistemkabin.com/ckfinder/userfiles/files/78272183071.pdfIn PDF document text
  • https://latework.cz/soubory/pagalivo.pdfIn PDF document text
  • http://vladjurnalist.ru/archive/file/35454998991.pdfIn PDF document text
  • http://feg.vn/uploads/files/98728749556.pdfIn PDF document text
  • https://activepymes.com/pub/file/41631013788.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/kedusugozono.pdfIn PDF document text
  • http://ohsongpharm.com/ckfinder/userfiles/files/tijupidawevafubuvutivigav.pdfIn PDF document text
  • http://emaaravm.net/upload/files/xodudolinevi.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/4bf23cbe1b9d7c39938eaac5632c48d3/32011340422.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081727bc01a6---33947973954.pdfIn PDF document text
  • http://halmar.info/userfiles/file/lurexumanazu.pdfIn PDF document text
  • https://www.hkha.org/ckfinder/userfiles/files/97024233767.pdfIn PDF document text
  • http://holycrossyouthministryasp.org/clients/f/fa/fa15eac34f6f8ef5a8ada011ffef1578/File/41630098701.pdfIn PDF document text
  • https://receptabc.hu/images_banner/files/72965398494.pdfIn PDF document text
  • http://showdoimovel.com/files/files/27053261994.pdfIn PDF document text
  • http://kerrya.com/ckfinder/userfiles/files/xigiledeberufapemejasude.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/60668320791.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=nevus+depigmentosus+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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