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=solidworks+installation+guide In PDF document text

  • https://virataxutepubom.weebly.com/uploads/1/3/0/8/130874282/wunadagoxe.pdfIn PDF document text
  • https://jemiwuwavaza.weebly.com/uploads/1/3/0/8/130814288/bibesekukemugedovofa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366028/normal_5f8720dbead28.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402244/normal_5f910e53942fe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383792/normal_5f94143335d82.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f892278be747.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000054ea.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000054ea.bin)
  • https://uploads.strikinglycdn.com/files/e968965a-802b-4779-95de-00a8bfa0f498/goterekozup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ae2568b-b9d0-41b9-a6e1-cece3eadb2a4/90258439673.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09496bf2-4a00-4fc6-8d29-6d87ade1da98/52113279327.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/68488b2f-540f-469f-a74d-eb99f4c677cf/mark_klimek_notes_download.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/piwovidezisunafefugunidex.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/24875078801.pdfIn PDF document text
  • https://s3.amazonaws.com/vexeliku/zenukizudupulopinakodud.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/mawemekujelixinele.pdfIn PDF document text
  • https://s3.amazonaws.com/pewibim/hand_washing_steps_pictures.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/63c6d883-b710-4f4b-a9d2-712fa74a21ea/plan_de_estudios_1993_secundaria.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a65baa8b-3eb4-424d-a481-b0617b2e3bfa/miroduligefidipudu.pdfIn PDF document text
  • https://s3.amazonaws.com/ganubatebedoxez/assertion_reason_type_questions_for_aiims.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/66632955234.pdfIn PDF document text
  • https://s3.amazonaws.com/jazofi/8458557269.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://dejavu.sourceforge.netIn extracted file (stream_005_off00008a53.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_005_off00008a53.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off000054ea.bin)

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