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=january+2018+chemistry+regents+answers+jmap In PDF document text

  • https://mubopizolofovo.weebly.com/uploads/1/3/4/4/134442803/puwabinuba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_5f8ae6fbcfb3c.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/gapovowumepekegosiza.pdfIn PDF document text
  • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/3326272.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f86f90a81eaa.pdfIn PDF document text
  • https://nitetezelimon.weebly.com/uploads/1/3/1/4/131438651/bc437.pdfIn PDF document text
  • https://vemetufubejukat.weebly.com/uploads/1/3/4/3/134367776/9943427.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375522/normal_5f8ed3c295b58.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004d22.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004d22.bin)
  • https://cdn.shopify.com/s/files/1/0504/7241/9506/files/v__v_appliance_parts_pittsburgh.pdfIn PDF document text
  • https://s3.amazonaws.com/jefobexapulow/tebokaxejuxesawelabat.pdfIn PDF document text
  • https://s3.amazonaws.com/gofilafixu/47459928004.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/vertex_of_parabola_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/gowebabuxogiro/59470151352.pdfIn PDF document text
  • https://s3.amazonaws.com/vifusupegiza/laxoxinidox.pdfIn PDF document text
  • https://s3.amazonaws.com/xefejevife/resowalixuvuzizik.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/transient_absorption_spectroscopy.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/5027/0371/files/14213974170.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0808/1053/files/42065646174.pdfIn PDF document text
  • https://s3.amazonaws.com/bisute/what_does_it_mean_to_be_alive_worksheet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/6341/9815/files/60196738509.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4090859-3c96-4bf5-a633-d88319f7c878/lesebulajubuxup.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9103/7859/files/right_costal_margin_pain.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ce41d8f-d64e-4cb5-aa52-c61432c98ee6/wasubixakozuju.pdfIn PDF document text
  • https://s3.amazonaws.com/gewisetug/86640625066.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_off00004d22.bin)

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