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://cctraff.ru/wb?keyword=management%20of%20infantile%20colic%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366365/normal_5f8723fcadac2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365619/normal_5f87423741fa9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405660/normal_5f94d7e6bd45c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377112/normal_5f8eda7e13806.pdfIn PDF document text
  • https://dujewukemapaf.weebly.com/uploads/1/3/1/4/131453220/9238198.pdfIn PDF document text
  • https://xezinazilasiza.weebly.com/uploads/1/3/4/3/134319357/modapetawifefogiboli.pdfIn PDF document text
  • https://mapipuluzobeb.weebly.com/uploads/1/3/1/3/131398440/wotusotosig.pdfIn PDF document text
  • https://s3.amazonaws.com/forupokisip/cbt_exam_questions.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/android_sqlite_tutorial_for_beginners.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/80128522190.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/adobe_reader_10_offline_installer.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/australia_map_template.pdfIn PDF document text
  • https://s3.amazonaws.com/fenatagazise/napaxesogu.pdfIn PDF document text
  • https://nogafuku.weebly.com/uploads/1/3/2/8/132815296/3444213.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00012042.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00012042.bin)
  • https://uploads.strikinglycdn.com/files/65641513-073e-4b0c-9ba6-7a2f245e21ec/24624990796.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/056f59dc-84df-4705-ae77-97e5580c284c/jomejigaworosuvag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53eece27-5034-4f77-86b9-3ae8b7ad7037/tuzowefurodavezokenude.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14470e68-01f6-498d-9bc5-7792d3cc8f99/75881845054.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/722e0df0-1e6a-4d2b-9192-c39d381fa8f6/lidilaxodoride.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ad535e3-8f5a-4fb4-a280-5fe7745469f3/87178541281.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e07382c-c521-4038-b152-1c5a7e8c4896/jaden_smith_the_get_down.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ed4414d8-4aa5-4e12-8d97-9958b68344d1/41599413023.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4deb89cd-ca1a-4ea2-aa0d-c7c519341bb7/74991314118.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 extracted file (font_00_sfnt_off00012042.bin)

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