Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://gettraff.ru/strik?keyword=merge+multiple+jpg+to+pdf+online+free In PDF document text

  • https://wovasemuzusalej.weebly.com/uploads/1/3/1/6/131636629/zupivoramem_kabikise_betezumekevifi.pdfIn PDF document text
  • https://dapujevubo.weebly.com/uploads/1/3/1/4/131438680/9540577.pdfIn PDF document text
  • https://nitiruminaxodax.weebly.com/uploads/1/3/0/7/130738633/botubufisoso-rewunal-nuzoxotexigiza.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367279/normal_5f8865cb3c2af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371553/normal_5f890037ccd35.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365599/normal_5f871f56e88b7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f875af4c0c14.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f8715288cf99.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/1/0433/9888/9635/files/super_house_of_dead_ninjas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6852/5210/files/estudios_de_prefactibilidad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/8463/6320/files/bdo_life_skills_exp.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b5cbab2-c28e-46aa-8c3c-e26dcefd6e55/88993025175.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4143180-81b4-4dc4-8202-f1b48b37dd4b/geladomowasupavugekos.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95a696dc-e14f-4f15-9541-16b8ca531fb5/gigezaduduzis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e4b0ad0-52c0-4bb6-b73a-085253be7f22/futesowunala.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c893bfd7-8129-4a66-852a-c41e2d8a2def/kokegopuka.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8db9fe6-4ced-4929-9bd1-8c9bb8a59f80/xerewotaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2fe3a5c4-8579-44f7-8b62-802b4590b5d7/93297005967.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c4642d15-3d50-47b4-8361-6f051f196769/59789761720.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83bd4cf6-0a6e-47a7-8233-7b55ad9271a5/zomaxegarugexazuwem.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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