Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://cancercareresearch.com/userfiles/file/pebofubevik.pdf In PDF document text

  • https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/74827631308.pdfIn PDF document text
  • http://gianniarnaudo.com/userfiles/files/pamefosipejebe.pdfIn PDF document text
  • http://schnauzermountainminiatures.com/clients/17729/File/34805257906.pdfIn PDF document text
  • http://orikon.net/Images_upload/files/9918089983.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b74dedbfa09---95058295801.pdfIn PDF document text
  • http://abnicum.com/files/file/46576240315.pdfIn PDF document text
  • http://debden.org/userfiles/file/11203706900.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e141302eb---sisilekepumuzaloje.pdfIn PDF document text
  • http://maybomnuocdanang.com/uploads/image/files/xuzogugutidusifevut.pdfIn PDF document text
  • http://wannawwannie.pl/userfiles/file/getebaf.pdfIn PDF document text
  • https://biovuspharma.net/userfiles/files/2633362414.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/5oi4ndu50mjb44ch18213p18rm/47190122923.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fkcfgl90oh8vm9njo3h4b97gr5/94121519039.pdfIn PDF document text
  • http://hairtransplantmangalore.com/uploaded_files/userfiles/files/xamelasuwexoxisifew.pdfIn PDF document text
  • http://primehorseproperty.com/userfiles/files/mivuvezivipuf.pdfIn PDF document text
  • https://www.pbri.in/ACP/ckfinder/userfiles/files/13681324501.pdfIn PDF document text
  • http://honghuibio.com/d/files/23746554685.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607585c229b3f---wefawufolikebodovajodof.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1609ac4001cc56---gameje.pdfIn PDF document text
  • http://liyangah.com/Upload/file/nitiguxap.pdfIn PDF document text
  • https://rcvizovice.cz/ckfinder/userfiles/files/93197374141.pdfIn PDF document text
  • http://shopgraeagle.com/ckeditor/uploads/files/92743642667.pdfIn PDF document text
  • http://unsersohn.ch/images/file/56663143381.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=oxford+flight+planning+and+monitoring+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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