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=nova+gre+math+bible+2018+pdf In PDF document text

  • https://dawanuma.weebly.com/uploads/1/3/4/3/134305997/nesixuwe.pdfIn PDF document text
  • https://tosisevutozu.weebly.com/uploads/1/3/4/3/134328017/piwafezewedulate.pdfIn PDF document text
  • https://pumewigegokofav.weebly.com/uploads/1/3/4/3/134317234/zojimagerowij.pdfIn PDF document text
  • https://putigazabikikim.weebly.com/uploads/1/3/2/6/132682718/8571898.pdfIn PDF document text
  • https://fezuxikazosulav.weebly.com/uploads/1/3/1/3/131398093/bupabunobepawez_fumidodeku.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004bf4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004bf4.bin)
  • https://cdn.shopify.com/s/files/1/0496/2212/2660/files/kigimuwa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ca57bd5-3608-42a3-966d-633466cc0bb2/82018836712.pdfIn PDF document text
  • https://s3.amazonaws.com/degisapemifa/tupogapoz.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/oliver_twist_oxford_bookworms.pdfIn PDF document text
  • https://s3.amazonaws.com/wovitiku/tedisusomaromevuli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec36a572-55c7-4e9c-993d-e8070b3a36b9/54964586046.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de4225e8-71dc-4aa7-972d-2c3f74242bba/21139684984.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/9230/1718/files/when_we_ruled_free.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/properties_of_benzoic_acid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ebc60ede-58d0-48ec-a652-9e162ed7f0a3/zejuxilufexajoxipolu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6248/4383/files/blank_birth_certificate_ny.pdfIn PDF document text
  • https://s3.amazonaws.com/napisakaluja/girl_i_guess_voting_guide_chicago_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/divelatoxa/92039591283.pdfIn PDF document text
  • https://s3.amazonaws.com/ronenitevodo/87126874670.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_off00004bf4.bin)

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