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/strik?keyword=download+crt+video+geometry+calibrator+dvd In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383340/normal_5f8eb41dc0365.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f8cfd80caa6e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367617/normal_5f8765ee94c7c.pdfIn PDF document text
  • https://rimesozarabef.weebly.com/uploads/1/3/1/6/131607712/9957026.pdfIn PDF document text
  • https://digonowokeke.weebly.com/uploads/1/3/1/8/131856318/9da8b3d101038cb.pdfIn PDF document text
  • https://gonerogad.weebly.com/uploads/1/3/1/4/131438616/vowetapikopugumeve.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369313/normal_5f8a599fa3ea6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f870e49e7d93.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366958/normal_5f87535882ef1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368501/normal_5f87f0835c5d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366398/normal_5f874a15253ac.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/1/0428/9619/5737/files/psychometric_test_south_africa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5970/7037/files/vixub.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/4080/2469/files/jagojivejixixepexixijatom.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8938/5890/files/8856303520.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7498/9479/files/siposibebidagifufebu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3117/4043/files/seating_arrangement_problems_for_ibps_clerk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/1362/5240/files/56736699880.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09c31fdb-68b3-4a43-b3b6-76c522169c79/wepufijezogufozaso.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6dc06dd3-0e04-4a10-9f43-eaa2cfce7ff0/98824797516.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e21265bc-fa4b-4fb1-877b-df665dbce260/37066869107.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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