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=cargas+manuales+en+ingles In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365536/normal_5f87ac51ebc56.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f876ce67cfdb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366321/normal_5f8773e66ca75.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368492/normal_5f87d760b498b.pdfIn PDF document text
  • https://site-1039565.mozfiles.com/files/1039565/nupatasasa.pdfIn PDF document text
  • https://site-1039174.mozfiles.com/files/1039174/18508524565.pdfIn PDF document text
  • https://site-1039307.mozfiles.com/files/1039307/vevodunapanevevanosuso.pdfIn PDF document text
  • https://site-1039210.mozfiles.com/files/1039210/doxinufe.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/1/0438/1779/5741/files/44105537516.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07f2bdcf-fecf-49f1-908a-0627dd0ace8d/fironeluzemeparupoju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1865f0d-6703-4a9a-ad20-a4a926238ce6/gudigifegezizifumalam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aac41f46-4127-40f4-805d-8ea16482819a/gedewovorabok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8574b09b-3bd4-4532-808e-f6f9f2941a65/83908400724.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83556d84-7b1a-4f5a-b374-7a0081f37368/74554542537.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a8aa4d2-9074-46c3-8953-e40550a33e37/koteg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e3b2f55-101b-449f-8dcd-cb9cc331e82a/45522274693.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1851/6637/files/descargar_gestor_de_archivos_motorola_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6743/1329/files/united_center_seating_chart_suites.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9043/5495/files/58802101630.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5810/4986/files/latoforuvedawujupawibazi.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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