Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.link/pify?keyword=lomotif+apk+download+2020 In PDF document text

  • https://xazojitov.weebly.com/uploads/1/3/1/4/131408465/84da3.pdfIn PDF document text
  • https://viwuwobigoku.weebly.com/uploads/1/3/1/3/131378942/9522898.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/ff06dfdf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380692/normal_5f8c575570d63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369645/normal_5f87c69899294.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387819/normal_5f8de69eba5d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406793/normal_5f9476815c8d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379720/normal_5f910ef9d5598.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381318/normal_5f90e74d1dad2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379618/normal_5f8cca1560058.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370056/normal_5f8d7fb6bd214.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381976/normal_5f8f61ed70bc3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367279/normal_5f89062594621.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381541/normal_5f92e811089a3.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/5b429aea-01b8-4043-8bb3-0040072c69bd/begin_en_pasado_simple.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e27844ad-464a-47a3-8541-6a746e637d97/xixogugedebukamerozezo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/0801/6551/files/39205128790.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0246/8765/files/disable_instagram_dark_mode_android_9.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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