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.link/123?keyword=dragonborn+knight+mod+apk+1.1.9 In PDF document text

  • https://zififawatef.weebly.com/uploads/1/3/4/3/134384507/750f809b91.pdfIn PDF document text
  • https://jojawetoterul.weebly.com/uploads/1/3/4/4/134404105/10a707590662.pdfIn PDF document text
  • https://wazijewafaset.weebly.com/uploads/1/3/4/4/134437152/2266010.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/1/0504/2235/0000/files/math_games_for_grade_4.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5839/5843/files/online_compressor_to_below_200kb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/8116/3438/files/jlab_air_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/4299/8938/files/jifaximet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4354/4488/files/95133063190.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26552333-32eb-45ef-a096-2d85dcab220d/oni_asteroid_types.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f830e93d-bc2c-4808-958e-91d725a9697d/somalu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c6c72cfe-81df-4911-9e0b-16a1354f4129/39272584049.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c02d482-0db6-49d2-98b2-c751948698ab/aparato_reproductor_masculino_unam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/263b89fc-3dc1-413d-bd3a-8ce0885bd87c/15432161330.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7813/9035/files/52373174088.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8799/6085/files/farizomozi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4105/7687/files/safety_critical_systems.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/zixepir.pdfIn PDF document text
  • https://s3.amazonaws.com/domegagowevag/6727300438.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/definition_of_strategic_management_by_different_authors.pdfIn PDF document text
  • https://s3.amazonaws.com/sakaburepagase/beden_dili_kitaplar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1479/9012/files/geometry_proofs_homework_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2898/7047/files/ingnierie_sociale_livre.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7937/8108/files/subaru_ascent_manual_transmission.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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