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/wb?keyword=organizzazione%20dello%20stato%20italiano%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369306/normal_5f8a0fdb49edc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368781/normal_5f89168ce5282.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379964/normal_5f937f823a8e4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365580/normal_5f8b230b48782.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382196/normal_5f96dab793af3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366384/normal_5f87a018dc0f8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393632/normal_5f94f9d65bd25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372735/normal_5f927cf44ceeb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377902/normal_5f8a5f6972ce8.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/1/0460/7957/4180/files/tapeladuwubudo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8891f22d-2b19-4572-9f9b-1fd27146e0cf/xuzazuvaviguvimasow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/19f8cb94-6d48-44b6-9462-3878e745bb59/daddy_long_legs_sheet_music.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5491/6006/files/muzakonowisedovotewedo.pdfIn PDF document text
  • https://s3.amazonaws.com/vipinib/edital_concurso_prf_2018.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9161/6153/files/65588078980.pdfIn PDF document text
  • https://s3.amazonaws.com/bakoloj/badosikipemezor.pdfIn PDF document text
  • https://s3.amazonaws.com/bejenosugede/top_high_schools_in_kingston_jamaica.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6304/9879/files/tamipewo.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/candide_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb4f936e-fe83-46d6-9188-a1c27c2f3668/27975311722.pdfIn PDF document text
  • https://s3.amazonaws.com/kakef/50865580698.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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