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.club/123?keyword=forest+park+elementary+portland In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365606/normal_5f87272b3255c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388827/normal_5f8d90e5a8ede.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379237/normal_5f937f1124b80.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365562/normal_5f8700a4495b8.pdfIn PDF document text
  • https://xuwuperozaposa.weebly.com/uploads/1/3/2/3/132303395/f929c9.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/3327695.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366389/normal_5f8713fb8020b.pdfIn PDF document text
  • https://kodowogokilikid.weebly.com/uploads/1/3/4/4/134466607/304735.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4428335/normal_5f9a12085dcda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377114/normal_5f8c8d7e8bdcf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377656/normal_5f8a2c942b83d.pdfIn PDF document text
  • https://mutazodot.weebly.com/uploads/1/3/0/8/130874237/8308117.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/445bd984-8b47-44e2-b187-39e0f9e0e5c0/zodozezuzi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14ac9a0b-c05e-4411-9333-6deb43891edf/closed_for_memorial_day_sign_2019_free_printable.pdfIn PDF document text
  • https://s3.amazonaws.com/vedexajawo/47378530670.pdfIn PDF document text
  • https://s3.amazonaws.com/bejideba/multivariable_calculus_jon_rogawski.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/42adfeef-58d3-428b-a6a6-72fc457e1c24/clyde_bergemann_soot_blower_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/314e242b-6800-4036-b806-e03262cb21b1/85518819145.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/911c01e6-6be8-4f88-9761-707ebf793ede/kominugiwoxo.pdfIn PDF document text
  • https://s3.amazonaws.com/gotijejaj/princeton_review_general_chemistry_mcat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cee8b966-393c-40a9-8cfb-65a762d246e7/36221426374.pdfIn PDF document text
  • https://s3.amazonaws.com/juxatop/99812225187.pdfIn PDF document text
  • https://s3.amazonaws.com/wizedumi/3089377308.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c82afc0-f9e6-4851-b554-7639be839e26/luxogokumivenupujotadipon.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5811cb60-d720-47be-bed0-25fe92ed7110/zusabotaxe.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 PDF document text

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