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://ggtraff.ru/strik?keyword=classification+by+backpropagation+in+data+mining+pdf In PDF document text

  • http://zigetu.nyegirlboutique.com/uploads/1/3/0/7/130738799/kigufaxuwusesuta.pdfIn PDF document text
  • http://files.customfitnessllc.com/uploads/1/3/2/7/132712233/6692827.pdfIn PDF document text
  • http://files.lovetywyn.com/uploads/1/3/1/8/131871614/dazifo_tiruzodofupulu_xomerarewus.pdfIn PDF document text
  • http://files.itsrustic.com/uploads/1/3/1/4/131413718/sibez-judapa-bakasufiz-mowedodupunor.pdfIn PDF document text
  • http://files.tracycohn.com/uploads/1/3/1/4/131454286/96854.pdfIn PDF document text
  • http://woralaw.bigalsfireworksoutlet.com/uploads/1/3/1/3/131383651/4104317.pdfIn PDF document text
  • http://files.indr.eu/uploads/1/3/2/3/132302846/jamabosatowosibesug.pdfIn PDF document text
  • http://ludolor.kwikwashlaundromat.com/uploads/1/3/0/8/130814328/cc2068d.pdfIn PDF document text
  • http://files.vicjuniorxcski.com/uploads/1/3/1/4/131408930/sopon-linobibabalovo.pdfIn PDF document text
  • http://mefaner.3blossomscafe.com/uploads/1/3/2/8/132814439/3079174.pdfIn PDF document text
  • http://files.neptunehouseresales.com/uploads/1/3/2/8/132814286/rafukene.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000d64a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000d64a.bin)
  • https://cdn.shopify.com/s/files/1/0463/3349/3409/files/87873618713.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0460/7053/0212/files/52057164535.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/1773/2249/files/buckeye_high_school_address.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/6788/2134/files/what_do_parenthetical_citations_consist_of.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1818/1016/files/47485341005.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_off0000d64a.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00010fe1.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00010fe1.bin)

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