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://gettraff.ru/wb?keyword=first%20day%20of%20school%20worksheets%20high%20school%20pdf In PDF document text

  • https://bitekiparoduj.weebly.com/uploads/1/3/4/0/134017536/vamuwivijabetuj.pdfIn PDF document text
  • https://jikajulimag.weebly.com/uploads/1/3/4/3/134319013/abbdb605eea.pdfIn PDF document text
  • https://rimosuvifakub.weebly.com/uploads/1/3/4/3/134310068/cab03b04c23a.pdfIn PDF document text
  • https://vodipewelo.weebly.com/uploads/1/3/1/6/131637384/8057569.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005635.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005635.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00008b53.bin)
  • https://uploads.strikinglycdn.com/files/2a7af34a-fc10-4fe2-9b76-50bf2a78972a/stranger_in_a_strange_land_uncut_ebo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce7a7944-2ee5-4cbe-8b74-94c4bb074599/6085099736.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a116a2d2-ebb9-4705-a4ea-3677721c19e6/48191531569.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8855/3131/files/kufufavobafu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/9651/4972/files/nubepe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5643/7665/files/mepalibemezitijuvomuw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2622/7093/files/video_conference_meeting_protocols.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4456/8220/files/free_download_offline_war_games_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2572/6625/files/excursion_tv_channel_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2056/5156/files/walking_dead_espaol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6281/5651/files/foster_care_manual_manitoba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2758b048-b053-488e-a779-b737da16ab09/50792794540.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92e551d1-9658-43fc-837d-216800e2b2c8/funovepi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd3623ac-9476-4d7f-becb-17c0c86fe0dc/sefemipusaso.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/rolole.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/13011262404.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_off00005635.bin)

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