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://cctraff.ru/aws?keyword=baseball+pitching+grips+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f88a40d2aa42.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383300/normal_5f91354f39443.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389394/normal_5f8e45a42ac57.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369657/normal_5f8e67ea1229a.pdfIn PDF document text
  • https://vumorusumanipav.weebly.com/uploads/1/3/4/2/134234742/368438a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f86fca530f86.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372376/normal_5f8b31aab513a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369502/normal_5f8f190d29966.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366654/normal_5f8733c28af18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368953/normal_5f899639160e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368985/normal_5f8ffed5a49cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367273/normal_5f930840f09ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369524/normal_5f933246273ff.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007242.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007242.bin)
  • https://cdn.shopify.com/s/files/1/0433/4351/1706/files/fts_15_apk_obb_mod_money.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/7754/1281/files/70621235332.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8676/4446/files/63288350601.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/679d21e7-ae23-42d3-ad09-64f0bd39e7bf/11079043334.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/034e9f47-ae32-4acc-8bae-c98f87f6bbab/vumavagesojolosev.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d76eaae5-5b2c-4e47-a399-c9c28c40f5ea/wawuvumufe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bec2add-23bb-427f-896f-182e0b1ce536/geometria_y_trigonometria_pearson.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73015da7-d9e1-4eea-ba30-6ea3c8b77b54/les_articles_partitifs_ejercicios_resueltos.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 extracted file (font_00_sfnt_off00007242.bin)

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