Malicious PDF — malware analysis report

Heuristics 5

• 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://cctraff.ru/strik?keyword=impossible+d%2527ouvrir+le+repertoire+du+profil+opera In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383929/normal_5f8f598c53b23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367645/normal_5f8e5d21d176b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365653/normal_5f8760de3acae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376087/normal_5f8aaa6fb95af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378381/normal_5f8ca7567c35f.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009201.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009201.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000cb1e.bin)
  • https://cdn.shopify.com/s/files/1/0503/3689/1074/files/9133840745.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8140/9713/files/30590373007.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7322/2294/files/96259902156.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9238/5700/files/cambria_county_courthouse_cost_and_fines.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8629/0335/files/wilebezozopete.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a02e041-88e0-4c75-8e74-10db8dfa0cd0/magupebup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b42fa827-11df-4f16-b7a6-33f6b7b606eb/minstrel_healing_guide_lotro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4f66ef9-fd4c-4919-80c7-21cd29b8e817/51883766102.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/job_interview_english_vocabulary.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/aren_t_you_glad_you_read_this.pdfIn PDF document text
  • https://s3.amazonaws.com/zobuwubedak/barisan_dan_deret_bilangan_kompleks.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/tixetopogilolu.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/43164837223.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/tepozolotiwisofumuvofoged.pdfIn PDF document text
  • https://s3.amazonaws.com/wibedubosateg/bubodudemibawebal.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/88848988523.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 extracted file (font_00_sfnt_off00009201.bin)

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