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/aws?keyword=algebraic+geometry+an+introduction+perrin+pdf In PDF document text

  • https://papazutizo.weebly.com/uploads/1/3/4/4/134467207/rerap.pdfIn PDF document text
  • https://mukokoloraji.weebly.com/uploads/1/3/4/1/134131612/3330523.pdfIn PDF document text
  • https://fisizupesaxog.weebly.com/uploads/1/3/1/6/131636899/futevifulukipuva.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/9365259.pdfIn PDF document text
  • https://mazogerivajusem.weebly.com/uploads/1/3/4/3/134341978/18ef5.pdfIn PDF document text
  • https://medizagokitoni.weebly.com/uploads/1/3/2/3/132303310/jodulovulubo-durewaponovu-sanuzugixopen-murosado.pdfIn PDF document text
  • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/redimisobafu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368504/normal_5f8ab841c691f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374979/normal_5f896e01dce9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388412/normal_5f94f8f60eaab.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005514.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005514.bin)
  • https://cdn.shopify.com/s/files/1/0437/4704/9621/files/cusd_parent_portal_chandler.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/2249/4107/files/gilafodij.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/5126/8288/files/backcountry_gear_guide_select_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8284/4834/files/i_can_statements_3rd_grade_math.pdfIn PDF document text
  • https://s3.amazonaws.com/liwafo/aspectos_biopsicossociais_do_envelhecimento.pdfIn PDF document text
  • https://s3.amazonaws.com/petuzutemixuvod/bopolibapopetovab.pdfIn PDF document text
  • https://s3.amazonaws.com/nokiva/sasifasuzusobo.pdfIn PDF document text
  • https://s3.amazonaws.com/lezopobigeza/clinician-_administered_ptsd_scale_caps-_5.pdfIn PDF document text
  • https://s3.amazonaws.com/batoragubukepo/15337137000.pdfIn PDF document text
  • https://s3.amazonaws.com/nigimul/tapaxujudelo.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_off00005514.bin)

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