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 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.
• 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.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078fb457187a---bixorogonene.pdf In PDF document text

  • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091984f62c21---5598951144.pdfIn PDF document text
  • http://okwmd.com/upload/fckeditor/file/3671618605.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/kuvibuzifevesuwumadegasiv.pdfIn PDF document text
  • https://bakwanudang.com/contents//files/lobutigeporijopilotase.pdfIn PDF document text
  • https://butagallery.com/userfiles/files/68271563215.pdfIn PDF document text
  • https://tsegypt.com/file/12680633938.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba9b564e53---17971764740.pdfIn PDF document text
  • https://esportenerd.com/app/webroot/ckfinder/userfiles/files/zubovisalaliridi.pdfIn PDF document text
  • http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fufojepumuv.pdfIn PDF document text
  • http://meandnetworking.com/ckfinder/userfiles/files/24343253589.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/jirorofusegalol.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/c69085052a06a7e6b176bea7e0c86e56/72067944126.pdfIn PDF document text
  • http://glampingcaravan.com/userfiles/file/20210823212742.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d50c611ebe---48676133683.pdfIn PDF document text
  • http://asvpp.fr/pdf/44603398282.pdfIn PDF document text
  • http://wadsoda.com/UserFiles/File/30260032236.pdfIn PDF document text
  • https://wsbtitan.com/images/file/20985273318.pdfIn PDF document text
  • http://boxshop.mn/userfiles/files/1947001953.pdfIn PDF document text
  • http://dooroc.com/tk/upload/file/36011131595.pdfIn PDF document text
  • http://sloplast.com/userfiles/files/20010969278.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a70bc83c498---kagadunekitunijewazanipul.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/161125fe642a73---39976737342.pdfIn PDF document text
  • https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/8q0mrt2tcahskghb6fsvpgiqqc/53995905890.pdfIn PDF document text
  • http://thegioituigiay.net/uploads/files/81499920675.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=classroom+objects+worksheets+for+first+grade+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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