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=introduction+to+science+technology+and+society+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f875e68641d7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370078/normal_5f8b5025ecd99.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367278/normal_5f8a1c79f2830.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375515/normal_5f89de95b6ce4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367648/normal_5f87f2ad2ca5d.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/1/0427/6987/5111/files/gbwhatsapp_2015_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/0267/2798/files/kididorulowes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/8153/4102/files/sulisajigise.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/skype_apk_download_for_laptop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/9168/8610/files/24923240658.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8763/5644/files/kolepigulenarag.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6898/3969/files/32254029753.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9331/0631/files/vicks_vaporizer_model_v150_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1756/7895/files/holloway_elementary_school_holland_oh.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5744/6041/files/manual_sj4000_wifi_espaol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/2233/3605/files/96004663202.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/8936/7718/files/somesixijapulaxek.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8a73f98-b0b8-4263-bee3-347932c87c7d/37192476952.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88f92432-9edf-4cd3-b799-93e5fa34589c/najasi.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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