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=download+happy+wheels+apk+pc In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374957/normal_5f8cbc21d159d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366661/normal_5f873094a03a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382621/normal_5f8da7091e550.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f881d4904073.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370078/normal_5f89235786d38.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/0919be3f-71ad-41e5-856a-8bf7830e0890/72436539055.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f40d8a4-6674-4d88-900d-0f9b2c8d89ca/48378139126.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4f18774b-6996-4f44-a69c-85f21c5e079e/gkhan_trkmen_dn_akor.pdfIn PDF document text
  • https://s3.amazonaws.com/kitakilesa/26670986982.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/delevifisotos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/0495/9383/files/jane_austen_persuasion.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/8608/4772/files/counter_terrorist_strike_war_mod_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7817/3343/files/fine_delusions_of_gender.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/1047/4151/files/75424582375.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/9318/0575/files/increase_reading_rate_army.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9462/1862/files/nazamimonalel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8496/2199/files/scranton_business_park.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8841/5393/files/balobaka.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2417/7093/files/pokerstars_app_android_real_money.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/1193/8970/files/hack_of_clash_royale_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5376/8090/files/best_rotary_tattoo_machine.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/4694/1084/files/27755895092.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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