Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://synerhu.ru/uplcv?utm_term=drunken+master+streaming+vf PDF link annotation

  • http://jjburgerut.com/uploads/files/14567872655.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/21642729506.pdfIn PDF document text
  • http://billsky.ee/files/file/dazefufezud.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/161379527f2b24---60943928154.pdfIn PDF document text
  • http://pop-around.com/file_media/file_image/file/tutarevisisalomorazoze.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff84491f7c---tigikededijotanipexoxajo.pdfIn PDF document text
  • https://btegypt.com/file/kusuzugovopuxutipugivowi.pdfIn PDF document text
  • http://sxhk365.com/uploads/file///72595257648.pdfIn PDF document text
  • http://mesterteto.hu/userfiles/file/lujumefoxexok.pdfIn PDF document text
  • http://generaltubi.com/container/ckfiles/files/batozotusuzowavovi.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142d85e06bf7---46714619509.pdfIn PDF document text
  • http://debeight.net/UserFiles/File/52734491670.pdfIn PDF document text
  • http://yepuco.com/uploads/files/46664516344.pdfIn PDF document text
  • http://matchonusa.com/uploads/files/51172521088.pdfIn PDF document text
  • https://moderator.lt/components/com_mijoshop/opencart/image/data/files/44412634418.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161327370ba9c9---39619266192.pdfIn PDF document text
  • http://themadthinker.com/temp/vinney/HTML/userfiles/file/faranagev.pdfIn PDF document text
  • http://edilcfcostruzioni.com/userfiles/files/rejefidatobinigonuget.pdfIn PDF document text
  • http://spellenindex.nl/images/uploads/80635530086.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210912_5255D594F5ABF3D8.pdfIn PDF document text
  • http://eko-gospodarstwo.eu/files/file/72401387221.pdfIn PDF document text
  • http://gursakaryahukuk.com/images/file/rawekokuw.pdfIn PDF document text
  • https://magnanelli.com/userfiles/file/87547605394.pdfIn PDF document text
  • http://xdata.pl/app/webroot/img/ckf/files/34818702468.pdfIn 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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