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.
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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=the+discourager+of+hesitancy+short+story+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365591/normal_5f874384936e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368750/normal_5f88502b1846d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367281/normal_5f88634fd3aa5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f88847cd7105.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365653/normal_5f8754047939b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369328/normal_5f88b8aab4afb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f879a9784edf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367624/normal_5f876a0fe5d1a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368998/normal_5f878c591bb0d.pdfIn PDF document text
  • https://site-1040562.mozfiles.com/files/1040562/lawivixajabox.pdfIn PDF document text
  • https://site-1042089.mozfiles.com/files/1042089/g_pen_nova_battery_instructions.pdfIn PDF document text
  • https://site-1036985.mozfiles.com/files/1036985/zunaludizuwi.pdfIn PDF document text
  • https://site-1048491.mozfiles.com/files/1048491/migar.pdfIn PDF document text
  • https://site-1039883.mozfiles.com/files/1039883/tufajofowal.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/1/0481/3239/1061/files/48345186435.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0406/6983/files/zokufupominemepujedizeseb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/5389/3782/files/99757958301.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8331/6378/files/16933011531.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1937/9105/files/cyanogenmod_apk_installer.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/8982/6460/files/dep_ngoi_tieng_xin_vang.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1478/1631/files/building_vocabulary_skills_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7902/7867/files/waterfalls_in_virginia_near_charlottesville.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2089/3864/files/ratto_law_firm_oakland_ca.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4114/7048/files/59821104094.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0990/0183/files/68634640073.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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