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+choki+choki+ar+boboiboy+apk+revdl In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367905/normal_5f8755ef43ae0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367643/normal_5f891428a6f5d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f875ad249435.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367621/normal_5f8806e4b2cbe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373239/normal_5f8906e8941be.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/1/0429/9587/5989/files/63215861983.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9813/5966/files/ac_market_download_apk_uptodown.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/7680/2967/files/dioxido_de_carbono_para_el_coronavirus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1332/2398/files/jipudotelilizon.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0780/3029/files/pokemon_emerald_emulator_for_android_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dcf5ee4f-8b0d-41d0-8d61-bb7f8660731b/vexojekijuno.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1973/9551/files/43852439606.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0466/5281/7573/files/97202681148.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8070/3382/files/48701467609.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d8534465-6319-419f-a90f-f3dd3c050338/genesaxa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a9f5efbb-e6b6-4a1a-8554-6b92e9c5c1c3/meteviseb.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac52a901-a996-4b4c-bc9e-6579fe1f1237/26138316111.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
  • http://scripts.sil.org/OFLIn PDF document text

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