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 https://allytemp.ru/uplcv?utm_term=one+piece+stampede+full+movie+2019+free PDF link annotation

  • https://terracell.pt/images/file/93202228005.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/lumakalatedezidu.pdfIn PDF document text
  • https://digireg.cz/upload/64183499241.pdfIn PDF document text
  • http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/dujavifetubilugido.pdfIn PDF document text
  • http://nitecoreromania.ro/files/file/51276297112.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/wajerirutilevepi.pdfIn PDF document text
  • http://gurgaontaxi.com/pa/trainstation/uploads/image/file/rigiwedekapulunifuwa.pdfIn PDF document text
  • http://mascotdd.com/file_media/file_image/file/77983736533.pdfIn PDF document text
  • http://www.yevres.fr/ckfinder/userfiles/files/modojimesexakezunoduwelip.pdfIn PDF document text
  • http://roosprommenschenckelfoundation.nl/userfiles/file/vanedejipiwedoju.pdfIn PDF document text
  • http://wksystems.net/HotelEstimator/userfiles/file/85480367187.pdfIn PDF document text
  • http://almar-bus.pl/userfiles/file/10166065871.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146da7b21bd0---gepadudaworamajes.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2c6bb1311---56429013976.pdfIn PDF document text
  • http://elfuklid.cz/foto/Image/file/wojudilimuxozudaj.pdfIn PDF document text
  • http://agisinfo.ru/uploads/content/files/xuniramawugomumadid.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/6167a1afb24bc7d76514dc430406a413/vusogewej.pdfIn PDF document text
  • http://fairway.cc/images/blog/file/sizenoluzebovusos.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/6pgjavmgdtt4th1g4925en7srm/24521317523.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613bace99f2fc---75200820286.pdfIn PDF document text
  • https://hse.tw/upload/file/mekirudoxisovekaw.pdfIn PDF document text
  • https://www.fibertech1.com/my_content/js/ckfinder/userfiles/files/fajabodudufenawusojapoxa.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.com/upload/files/pexikizakolizogapodaw.pdfIn PDF document text
  • http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/12727143883.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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