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.
• 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://cctraff.ru/wb?keyword=operation%20research%20book%20by%20s%20d%20sharma%20pdf In PDF document text

  • https://guboriratuji.weebly.com/uploads/1/3/4/2/134235556/24552adb3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389570/normal_5f923f56a480c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366047/normal_5f896cd8107db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369487/normal_5f8bab5cb8912.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382197/normal_5f8c76f257d70.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/memul/dafemel.pdfIn PDF document text
  • https://s3.amazonaws.com/fojaxexino/cancer_de_colo_do_tero.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/nefovidikepolagojaroxe.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/ramokutufakixup.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/cost_and_management_accounting_short_notes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2804/6233/files/gods_word_is_medicine.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7040/0928/files/black_clover_sally_voice_actor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2cbbdd51-129d-4824-9720-bf2a83ef2040/50958725426.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d2df4789-6e4e-40e6-92b0-3f33143a9430/zojurizafewukejanopo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/76d13c01-e1f6-4e04-933a-60e702057246/63484389695.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbfb1943-b42c-41bd-a032-282111a4cb23/organizational_behavior_and_management_10th_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e27a38f-c7ae-4f05-9e1a-271c5c187238/51322947915.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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