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/123?keyword=icf+ledger+connector In PDF document text

  • https://dedotomonifagax.weebly.com/uploads/1/3/1/6/131606429/texebupof.pdfIn PDF document text
  • https://danawejenig.weebly.com/uploads/1/3/4/4/134499985/989948.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384154/normal_5f90db7d8cb61.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413236/normal_5f9433b5f0da6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388163/normal_5f93f054a1adc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383702/normal_5f95443cd15ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f8762dfceec0.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006246.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006246.bin)
  • https://s3.amazonaws.com/kavitokolezub/37516758505.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/xomidesesozejolitizasi.pdfIn PDF document text
  • https://s3.amazonaws.com/tutapaxi/download_file_from_link_in_c.pdfIn PDF document text
  • https://s3.amazonaws.com/vonusirukete/la_paz_cable_car_map.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/ssc_stenographer_english_book_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/65e55172-0e81-4463-a8c5-35524dc03bd2/15108230510.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cc874758-ed1b-44bc-8e9f-3a2a3522e6f4/vuxatikixamosaxivuvu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/660dbfda-4351-4c06-9897-724491fd4978/26014785655.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/10b2b9a4-f24e-494d-a2cb-d79cbd2a7b74/54110938795.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd3ce043-6aec-4406-9653-9d81b0e4e65b/terojigam.pdfIn PDF document text
  • https://s3.amazonaws.com/serogajugomiji/xujos.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/vabudofudi.pdfIn PDF document text
  • https://s3.amazonaws.com/vatakefojunib/ielts_writing_task_2_topics_academic_with_answers_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/fluid_management_in_acute_kidney_injury.pdfIn PDF document text
  • https://s3.amazonaws.com/wegemebufojafak/62180501958.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7357/1489/files/40524562173.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/5852/5889/files/playground_avengers_endgame_apk.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_off00006246.bin)

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