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://ggtraff.ru/strik?keyword=winchester+model+37+410+parts In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f8815e75b189.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367645/normal_5f8ab53a7a151.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366007/normal_5f8741b891d80.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380522/normal_5f8c39f081676.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365624/normal_5f89f91bc88e6.pdfIn PDF document text
  • https://fijojonibiw.weebly.com/uploads/1/3/2/6/132681787/5648329.pdfIn PDF document text
  • https://fiwatinizajof.weebly.com/uploads/1/3/0/8/130874156/a356ea664a00e1e.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/9653445.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/124223.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/1/0437/8987/7405/files/50152208255.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/6186/9214/files/is_vitamin_water_good_for_you_after_a_workout.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6773/6225/files/fb_lite_app_apk_latest_version.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/5591/2862/files/453205788.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7936/7846/files/sword_art_online_2_dubbed_episodes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/5993/3095/files/mega_man_strategy_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9135e05e-044d-4ebd-b488-6380c9894f0a/bojabosimoju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3f5f575-8f8d-4afa-9fff-329ccd34dcc5/putokevudowemitul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/201e2164-96e0-4699-a12a-e3d7ef1c6d40/29126481470.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5873/6533/files/49791926603.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0752/7077/files/medical_certificate_for.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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