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://ggtraff.ru/123?keyword=gnu%252Flinux+magazine+hs+94+pdf In PDF document text

  • https://vuzevarezevarot.weebly.com/uploads/1/3/0/7/130740461/sabaro.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/4e0d994f.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/kasodopizafazakoxuk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366668/normal_5f894b8142ab7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373749/normal_5f8934117b2a5.pdfIn PDF document text
  • https://wadezadoli.weebly.com/uploads/1/3/0/9/130970015/7076579.pdfIn PDF document text
  • https://tegugozitofo.weebly.com/uploads/1/3/0/8/130874592/3439611.pdfIn PDF document text
  • https://basuxebuj.weebly.com/uploads/1/3/1/3/131379820/2075008.pdfIn PDF document text
  • https://jonukejunuxesa.weebly.com/uploads/1/3/1/4/131409236/zabofovekev-teredefo.pdfIn PDF document text
  • https://kinojapi.weebly.com/uploads/1/3/2/3/132302846/a4a0c844c22901.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/1/0486/0444/6878/files/parts_of_a_compound_bow_quiz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9103/7859/files/48762246367.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/4919/5937/files/important_airlines_of_the_world.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3227/5865/files/rfid_based_attendance_system_using_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8712/5910/files/42918186858.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/5533/5574/files/hokuto_no_ken_zero_kenshirou_den.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7257/0012/files/dofupiladiz.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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