Malicious PDF — malware analysis report

Heuristics 6

• 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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://dafemum.ru/strik?utm_term=cissp+cbk+2019+pdf+download In PDF document text

  • https://nulixosur.weebly.com/uploads/1/3/4/3/134311840/ebc6f36c.pdfIn PDF document text
  • https://xuwulusepe.weebly.com/uploads/1/3/5/3/135310973/b6a0cfc723e39a6.pdfIn PDF document text
  • https://vavivaso.weebly.com/uploads/1/3/0/8/130873957/8809a08f4ebecbb.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/453ebde2-4281-4e36-a352-f6777080ce57/posobalalutarolaxutavax.pdfIn PDF document text
  • https://s3.amazonaws.com/wudibirewuduto/803222671.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f467afa-ee0f-48ec-b4fb-b638cff24ab8/escape_by_the_skin_of_your_teeth_meaning.pdfIn PDF document text
  • https://s3.amazonaws.com/tobovunoberiki/27415809016.pdfIn PDF document text
  • https://s3.amazonaws.com/putelekireza/cognos_active_reports_tutorial.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ee94025-65f6-4673-b5c3-cc3c0c689d88/58633206208.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5d19af2f-44d1-4bd5-90fe-ee55485f3dc1/31003107326.pdfIn PDF document text
  • https://s3.amazonaws.com/dazemi/essential_calculus_early_transcendentals_2nd.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0f9d10c1-4d3f-4bc5-aca7-9970b4da2051/jawitidobiguxu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a12c627-2482-4cce-a8dd-72fd646199a0/semonemur.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c322b92a-e105-4437-b311-8f5c68f096c4/sexual_and_asexual_reproduction_in_plants_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/meludav/face_sheets_medical.pdfIn PDF document text
  • https://s3.amazonaws.com/putelekireza/the_binding_of_isaac_mom_transformation.pdfIn PDF document text
  • https://s3.amazonaws.com/pewebopufupe/project_feasibility_study_excel_template.pdfIn PDF document text
  • https://s3.amazonaws.com/bidurudilidujug/4568647958.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ac6f7e2-b2cd-4283-8bee-55a3e8b88a85/50801273795.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d606c4e-3547-4344-9549-79b25c05fe42/nejidowajidixonemomulu.pdfIn PDF document text
  • https://s3.amazonaws.com/selivuvumepaveb/35222422923.pdfIn PDF document text
  • https://s3.amazonaws.com/viregujipowuru/apush_textbook_2018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c05c047-2839-4929-8277-b1552c7cf9b3/what_are_the_top_10_strangest_phobias.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://scripts.sil.org/OFLIn PDF document text

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