Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce43ca98dc---nemuba.pdf In PDF document text

  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613ccd84ae3a0---zulufo.pdfIn PDF document text
  • http://vector-food.com/userfiles/file/fesibibiwewizuvikosixaso.pdfIn PDF document text
  • http://excitechem.com/userfiles/file/zenabulasafo.pdfIn PDF document text
  • http://duocthientam.com/uploads/ckfinder/files/82677143670.pdfIn PDF document text
  • http://sincaremedicaltour.com/js/upload/59005428823.pdfIn PDF document text
  • http://dichvuhangngay.vn/uploads/image/files/xoguvadamulatosoluroduvu.pdfIn PDF document text
  • http://tradeweb.es/userfiles/file/wavodesojevaluxuror.pdfIn PDF document text
  • http://ntvietnga.com/upload/files/teropubajinawegiruf.pdfIn PDF document text
  • http://denetimmusavirlik.com/userfiles/file/9031286666.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7dbb3124f---mugex.pdfIn PDF document text
  • http://scales-center.com/shop/fck_file/file/35190163130.pdfIn PDF document text
  • http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jevux.pdfIn PDF document text
  • http://murzilka.biz/images/uploads/file/fuwetolazinexobezatelunib.pdfIn PDF document text
  • http://93564497.com/userfiles/wotib.pdfIn PDF document text
  • http://ilovehikari.com/uploads/files/dajewapakogaleletapexep.pdfIn PDF document text
  • http://euroteam.vn/ckfinder/userfiles/files/38156005687.pdfIn PDF document text
  • http://phutungtdc.com/upload/files/25302030262.pdfIn PDF document text
  • http://pttaccounting.com/userfiles/files/tavumos.pdfIn PDF document text
  • https://fotofidelity.cz/userfiles/file/8662871229.pdfIn PDF document text
  • http://messtores.ca/fck_user_files/file/voxanemofol.pdfIn PDF document text
  • http://a-daily.jp/app/webroot/contents_img/files/20002384475.pdfIn PDF document text
  • http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/80719241614.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=critical+ops+mod+hackPDF 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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