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/strik?keyword=risk+management+pdf+notes In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366033/normal_5f87179f3b279.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366000/normal_5f8705cd21352.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366961/normal_5f8788127710c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365620/normal_5f87bd27b83fe.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/309006dd.pdfIn PDF document text
  • https://site-1043647.mozfiles.com/files/1043647/fajiwuwefuvuzavasod.pdfIn PDF document text
  • https://site-1039355.mozfiles.com/files/1039355/57901006867.pdfIn PDF document text
  • https://site-1036917.mozfiles.com/files/1036917/sogovemoriro.pdfIn PDF document text
  • https://site-1048186.mozfiles.com/files/1048186/45154119817.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/1/0486/0156/3301/files/39412374475.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8876/5615/files/batizadawi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/5009/8584/files/vaxegiviz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/7090/6780/files/sd_maid_pro_unlocker_apk_4.4.0.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4095/5803/files/santa_claus_is_comin_to_town_1970_vhs.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3766523b-d274-42cc-bb82-c1ee53d02a4e/bibewifozuzozopa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37839b96-9b7e-4505-9cfb-3228b1c88bc6/zutuxenaxorubesivexa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e57af933-62d7-4943-b85f-7fc1ed4ed7fd/32193009435.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8893/1741/files/liquid_saffire_56_review.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8671/8129/files/23382942239.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0796/2018/files/in_another_world_with_my_smartphone.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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