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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• 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://loheb.co.za/YmrXLWy8?keyword=the%20isis%20yssis%20papers%20the%20keys%20to%20the%20colors%20pdf PDF link annotation

  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622ab7669c7a9---nunoxitevaxuwiluzu.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/hccb7l320mg0le2fptgegh3rs4/laruzodegal.pdfIn PDF document text
  • http://lube-stc.com/ckfinder/userfiles/files/linasebopiwu.pdfIn PDF document text
  • https://kifeketefisub.weebly.com/uploads/1/3/5/3/135347095/1ba37f82572f38.pdfIn PDF document text
  • https://tajubebejuxota.weebly.com/uploads/1/3/4/4/134477440/a39eb67.pdfIn PDF document text
  • https://wiwefexi.weebly.com/uploads/1/3/5/3/135345426/fudana_zemep.pdfIn PDF document text
  • http://pk.mo/userfiles/file/zidome.pdfIn PDF document text
  • https://levibaxa.weebly.com/uploads/1/3/1/4/131408620/20e62608faeb74.pdfIn PDF document text
  • https://detmers-kontejner.hr/files/fubiz.pdfIn PDF document text
  • https://suwuriruwidasuw.weebly.com/uploads/1/3/4/5/134511566/1883363.pdfIn PDF document text
  • https://xijuxovepef.weebly.com/uploads/1/3/4/6/134601604/jigexugajurowid.pdfIn PDF document text
  • https://zodixezujiz.weebly.com/uploads/1/3/5/3/135345824/4553007.pdfIn PDF document text
  • https://rewiwolidinagi.weebly.com/uploads/1/3/4/4/134481042/nedorabukabazek-donasevidigija.pdfIn PDF document text
  • https://vomifiwuf.weebly.com/uploads/1/3/4/8/134870299/9824845.pdfIn PDF document text
  • https://rapusixub.weebly.com/uploads/1/3/4/6/134631860/c83bffcfb87.pdfIn PDF document text
  • http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/151609067121.pdfIn PDF document text
  • https://fajanav.com/aym_image/files/fasumav.pdfIn PDF document text
  • https://wonaxegem.weebly.com/uploads/1/3/6/0/136049801/kefozemir.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/162415ce9bc746---45391059443.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 extracted file (font_00_sfnt_off0000f4c0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000f4c0.bin)

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