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://ttraff.me/123?keyword=vespa+primavera+150+workshop+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366015/normal_5f8964328d553.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367644/normal_5f95f8b52dd89.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385859/normal_5f9356ce060f9.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/tetazino/adn_polimerasa.pdfIn PDF document text
  • https://s3.amazonaws.com/libowebujakux/psychology_101.pdfIn PDF document text
  • https://s3.amazonaws.com/mubemutolewe/47247617014.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/jadual_caruman_socso_2019.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa29ed34-480a-4488-a2ca-cd0e1bcbe3ef/dusixe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ebfbbd5c-d97c-47ac-a676-82ccd2ab4a08/78678593666.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa32c8c0-d1cc-4ac0-8392-685966f0eb48/62065054462.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f09c99a0-3ab1-4f91-a250-c09ecf00d8eb/4120512433.pdfIn PDF document text
  • https://s3.amazonaws.com/toliwudalamem/xerostomia_review.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/libro_aceites_esenciales.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/biorefinery_process.pdfIn PDF document text
  • https://s3.amazonaws.com/tunenijexe/angeles_y_demonios_gratis.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/lixusewuvagagamasev.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6976/7321/files/minute_of_angle_wiki.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5566/8639/files/cast_list_for_joseph_and_the_amazing_technicolor_dreamcoat_2019.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/6483/2412/files/kenwood_walkie_talkie_user_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/34d69049-f85a-43a4-9fe3-57c41c6b62d5/actividades_de_historia_sexto_grado.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5545c930-40bc-4e05-8a40-7e152dcadcf9/zezuzaxixomenurofuwu.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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