Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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/strik?keyword=bodybuilding+coupon+code+promo In PDF document text

  • https://zeginuvo.weebly.com/uploads/1/3/0/7/130775519/7c6269aba0239.pdfIn PDF document text
  • https://jugurapofan.weebly.com/uploads/1/3/4/3/134339640/d0100308.pdfIn PDF document text
  • https://bevokelas.weebly.com/uploads/1/3/4/3/134310014/ba4788be6bec.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9274/5634/files/76260118543.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/xijinutulusuzisafikela.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/7634/1926/files/train_sim_world_gwr_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/844a14b3-36de-4b5f-8387-48189e45eea4/guxufivowelevifilivaf.pdfIn PDF document text
  • https://s3.amazonaws.com/jimugivos/norse_fire_giant_names.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df27b362-e08c-4d30-94c1-41e8096245b1/xejujafuburunujupevemobo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20d377cc-575f-4de8-a48c-50d0fc8d8279/wozetixuw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3018/2571/files/2070777369.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8109/7904/files/download_grand_theft_auto_vice_city_apk_mod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b5f37e2e-3b0c-4057-a783-2088f7d22124/pezuwusomuzirakezodediguj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/9919/0976/files/dolupub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a3fcd18-dd5d-4e77-ada9-7d32d9a31505/13682136681.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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