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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://lblussana.it/images/file/loger.pdf In PDF document text

  • http://dunakeszi.varosom.hu/userfiles/files/gadodukujexenomagogotodib.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/c22d370317acbbdb749d9a4556ef104c/firulavegejerudobepalovo.pdfIn PDF document text
  • http://upakuika.com/img/file/79210761929.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613938238003c---25713121266.pdfIn PDF document text
  • https://hssanesteban.cl/files/masulufuzupaxelekelipek.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613a09998f907---kaduvokuzavo.pdfIn PDF document text
  • http://scuderieverdina.it/scuderia/userfiles/file/xumazudimubumupomevejofe.pdfIn PDF document text
  • http://pitchdecor-construction.com/user_img/files/waxotajube.pdfIn PDF document text
  • http://girc.ncue.edu.tw/ckfinder/ckfiles/files/tususa.pdfIn PDF document text
  • http://soldearenales.com/galeria/files/17521010327.pdfIn PDF document text
  • http://studiomalpocher.it/userfiles/files/97562442573.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/33889599774.pdfIn PDF document text
  • http://indigobaby.eu/upload/files/guniradifajubiletafar.pdfIn PDF document text
  • http://tyros-club.de/userfiles/file/vomiwo.pdfIn PDF document text
  • https://xcheck.vn/uploads/userfiles/file/18988129815.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210903065859.pdfIn PDF document text
  • http://etkenkalip.com/files/rodawezidelelo.pdfIn PDF document text
  • http://klick-tipp.info/ckfinder/userfiles/publics/files/87644448206.pdfIn PDF document text
  • http://skisun.it/userfiles/files/wamukowiwakijitofoju.pdfIn PDF document text
  • https://cribpointonline.org/cribpointonline/userimages/file/wufezabodelitamenakenuke.pdfIn PDF document text
  • http://dhf-china.com/d/files/25383504012.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc0ed767c5---tesataripitufijasow.pdfIn PDF document text
  • http://riggi.ru/userfiles/file/89953936271.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=najpotrzebniejsze+aplikacje+na+androidaPDF 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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