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://ttraff.link/pify?keyword=binary+and+oxyacids+worksheet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369491/normal_5f8d3815f35c8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388160/normal_5f9614a06fdcc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369645/normal_5f8e8093b82f5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406782/normal_5f94e951d5b80.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005457.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005457.bin)
  • https://uploads.strikinglycdn.com/files/44052623-c5c5-45cd-b50e-c1b67207ac36/13452945476.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1055095f-838c-478a-a37a-86d026c1b781/nunikiruluzis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6229bc3c-199f-4488-88eb-0f0d27d356a7/kia_niro_ev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6039f604-ec2a-4eb7-bd57-2b287ff55140/viralaxijakiwovurolepavuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3dd717c-a22c-4122-9845-efd738528a91/vidovoweroduropa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/303a3f1b-186b-4e3e-8fec-2775b9b603b0/zomapinugovawigefaxoto.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2211da49-c3e4-434f-a4f3-f44cf6c3eae5/temijoda.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a415ac2-1e3d-452e-b4b1-c78963e2f2d6/solanetarefukepipatijuna.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/hotel_rwanda_summary.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/strona_bierna_angielski_teoria.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/27451813328.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6799/8359/files/atoms_worksheets_for_5th_grade.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7296/1688/files/64549449421.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2844/7900/files/xotewebi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a1789844-dbef-4583-97a5-4cacdc84dfd2/identities_in_algebra_class_9_worksh.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ee67abcf-2d28-491c-896b-d00ba7f4be7d/35321178422.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/78f1f3e8-b27b-4979-b5e9-bc2b2e42c260/finulivepaninojukan.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_off00005457.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off000089e0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off000089e0.bin)

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