Malicious PDF — malware analysis report

Heuristics 8

• 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 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.
• 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 http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c4682f39603---91466593045.pdf In PDF document text

  • http://www.heksan.com.pl/file/lurizedelataza.pdfIn PDF document text
  • http://mjacz.cz/soubory/files/pibenufigodawig.pdfIn PDF document text
  • http://voijin.com/userfiles/files/52949425356.pdfIn PDF document text
  • https://artbynela.com/uploads/file/dafipunejenepexodavoze.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/xubuzotuxiteborivoluwiwe.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc87c9fd82---90113964918.pdfIn PDF document text
  • http://bbu.vn/Images_upload/files/63647674489.pdfIn PDF document text
  • http://evohome.pl/userfiles/file/demumezukiboxokujofagizel.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/5779705d142ddc328f86b6bf2aad981d/28173764890.pdfIn PDF document text
  • http://nordicwalkingturak.hu/_user/file/91381986541.pdfIn PDF document text
  • https://telewebmarketing.com/FCKeditor/file/53047974008.pdfIn PDF document text
  • http://bjallstar.com/upload/file/rojubotuxomamibidan.pdfIn PDF document text
  • https://ecowaytechnologies.com/ckfinder/userfiles/files/53567699546.pdfIn PDF document text
  • https://xn--mietkndigungsrecht-best-gpc.de/userfiles/file/53320966355.pdfIn PDF document text
  • http://khangvietdn.com/uploads/file/57215259499.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/b10a5200df7e4f7b7e79894a222397c7/zexobamufukofefe.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/408dd63fa66967234172a50091932df6/36004779757.pdfIn PDF document text
  • http://askort.pl/Upload/file/lenusugel.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/eee7e79c5c96697e10c53ba02d2b30f5/dilojubukexug.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/50649184361.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ffc3c55e0de---20465260763.pdfIn PDF document text
  • http://s-box.eu/upload/datoteke/lafopega.pdfIn PDF document text
  • https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/759e89db5193990e4e2e3e92b8349ae5/sisuwujafoziwofex.pdfIn PDF document text
  • http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/8079703319.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/sozalifotef.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16094a3c9554b5---98477821704.pdfIn PDF document text
  • https://habibitours.net/ckfinder/userfiles/files/magurifik.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=cdac+question+paper+2018+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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