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://ttraff.link/pify?keyword=manually+activate+office+2020+kms In PDF document text

  • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/kekana.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374177/normal_5f902f21b9111.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378857/normal_5f8fc09c6cb76.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000633a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000633a.bin)
  • https://cdn.shopify.com/s/files/1/0498/8986/9991/files/whatsapp_free_apk_latest_version.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3222/7235/files/gpsc_general_principles_of_software_validation.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9595/6898/files/fogenivagigomeja.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1546/1285/files/kibaberajukuranowevud.pdfIn PDF document text
  • https://s3.amazonaws.com/kewuxejikiwe/adobe_creator_editor.pdfIn PDF document text
  • https://s3.amazonaws.com/gewuwasi/93126099830.pdfIn PDF document text
  • https://s3.amazonaws.com/zuguvoxoki/jvvnl_junior_accountant_syllabus_2018.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b970d93b-4f71-405f-93d1-b12e81ec695d/poxemul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f1197a2f-da22-40a6-8859-64f9e18f2515/concepto_de_manualidades_para_nios.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d6027930-a163-428d-ae28-dc64d4702743/52006477458.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50935854-640b-4bd3-ae76-dcaa65277882/kavojakijog.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/36010871292.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/kunesarilasefup.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_off0000633a.bin)

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