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=siemens+life+hearing+aid+manual In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365589/normal_5f8712805dd01.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365620/normal_5f87449baea28.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370078/normal_5f87ff3edae4c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369632/normal_5f885931010e8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366036/normal_5f87352fa79ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366660/normal_5f87c7eda4e25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366306/normal_5f871ea30c1a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369161/normal_5f8829238c068.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366637/normal_5f874ab61e68a.pdfIn PDF document text
  • https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/pumupipi.pdfIn PDF document text
  • https://pigogokeda.weebly.com/uploads/1/3/1/8/131857695/2c5e263e815.pdfIn PDF document text
  • https://rezizeme.weebly.com/uploads/1/3/0/7/130775554/4230817.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/3f137a2e-aa85-402d-bcf3-b114ef7e8d49/bulaparazipok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cc9a9e9b-147c-47ca-978f-3c046908e126/25939454793.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9270f12e-9732-47b6-8639-3e9494ae3a6e/87881770594.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9d2a4de-596b-44f6-9b78-ad950709c95f/13761983130.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b3c05566-3f9c-48e0-bb46-68835ce80e93/55504455433.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f83c2e9-64b9-4441-8936-0ba5cdac21b3/98954810942.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7d9c3501-a595-4bcd-ac43-519cba6f0b5c/14171039800.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7c45bac5-166f-4ef8-8bb3-cd7444a54f38/22645341679.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1465/1559/files/10787914633.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3669/9555/files/nintendo_switch_tablet_case.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6411/8433/files/17402745768.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8282/5376/files/75041314444.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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