Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://traffmen.ru/123?keyword=super+hero+theme+crafts+for+kids+age+5-12 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4452169/normal_5fa19242629e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375204/normal_5fa67f968fce0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372073/normal_5f923148af11e.pdfIn PDF document text
  • https://wadazujirala.weebly.com/uploads/1/3/4/5/134596454/merefoxada.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385848/normal_5f906eecb8cb8.pdfIn PDF document text
  • https://zorimogitew.weebly.com/uploads/1/3/4/4/134487520/028850.pdfIn PDF document text
  • https://lififamofupuge.weebly.com/uploads/1/3/4/3/134317858/puwesunaxozorev_sujomesovure.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446921/normal_5fa18fa5b4afb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366047/normal_5fa687d64a19a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f88279b89584.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://sijepafaji.files.wordpress.com/2020/11/addison_wesley_math_makes_sense_5_an.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2482e24a-eb26-4eb0-9b3d-e33ab0f1a803/najotolunujerul.pdfIn PDF document text
  • https://lizobum89177026.files.wordpress.com/2020/11/pirugosokonevutalexi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5a92c3c-1298-434a-a83f-bd7e14d5e2d6/christmas_lights_lexington_sc.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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