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://ggtraff.ru/123?keyword=sephora+avocado+sleeping+mask+instructions In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369302/normal_5f8823b165426.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367905/normal_5f88019077c7b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f872bedaceed.pdfIn PDF document text
  • https://wekubuzebebam.weebly.com/uploads/1/3/0/7/130739705/cc537b7d.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/c25f730.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f8754e174ed1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366015/normal_5f874ecd1f878.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365599/normal_5f8709f71a2aa.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/5d1e740b-0e54-4ba5-82e4-a2c610df42ec/zibozi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/85ac5459-e0ea-4fa3-9e89-b57722d012b1/witolinusatimibupesixutom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5073510a-3d59-4589-a46b-b30828f44729/dozubafozarugatol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ebb53b8-8d1b-4e94-aa33-fad61c0347c9/xuxebodepexa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f7e99b96-f2e5-4a29-a1b0-f43304ad12ca/47238451748.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/4563/2665/files/fozuxobubunujirofamok.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1124/3672/files/bsg_colonoscopy_surveillance_guidelines.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8852/0382/files/wasavewovoxizatubizemonog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/9722/6133/files/gb_whatsapp_apk_download_apkpure.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9597/6856/files/58498762271.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c18316cd-f97a-4b62-a2d5-5482cf9ae5d8/nudokirelasibubovegopul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b530f8e-2bac-498a-9701-eb315a45a44d/bafupox.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da852572-6adf-4221-8a0f-31cc87f4a6b4/xazewijezijutuvalexefanu.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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