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=cross+hatching+techniques+pdf In PDF document text

  • https://site-1041412.mozfiles.com/files/1041412/bivijimogabulo.pdfIn PDF document text
  • https://site-1039847.mozfiles.com/files/1039847/tunupotiberurofu.pdfIn PDF document text
  • https://site-1039933.mozfiles.com/files/1039933/60396116820.pdfIn PDF document text
  • https://site-1036783.mozfiles.com/files/1036783/bidipinukikipevotun.pdfIn PDF document text
  • https://site-1037218.mozfiles.com/files/1037218/33409999892.pdfIn PDF document text
  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/8d113dbc76e.pdfIn PDF document text
  • https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/2120396.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366973/normal_5f873626c77fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369935/normal_5f8802c6e5452.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367665/normal_5f87b36e090a5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368505/normal_5f877e7aef0cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368228/normal_5f87b2df7d9ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366660/normal_5f87e1c2621ed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368222/normal_5f87a47a62d2e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365541/normal_5f870f963ab67.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/1/0434/1966/4542/files/87231247887.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2231/7728/files/myotomes_and_dermatomes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7937/1414/files/palm_desert_mall_stores.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/8523/2811/files/sarvesh_verma_cat_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6146/9599/files/24_divided_by_849.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0778/9221/files/41338465474.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8394/6912/files/chemical_bonding_study_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3099/4326/files/words_with_r_in_them.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/9699/7030/files/83545827074.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6385/2708/files/lista_de_valores_personales.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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