Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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/strik?keyword=the+coding+manual+for+qualitative+researchers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366645/normal_5f87408680185.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f897ed311fff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385859/normal_5f8d70958b863.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f86f96134dae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374983/normal_5f8b7ed79b796.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000050fd.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000050fd.bin)
  • https://uploads.strikinglycdn.com/files/b12748ed-fe48-4c42-92a5-a984b0977a0f/36300609572.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e10b9db8-1f04-44cd-ae5f-eccd4befe01e/kilufosemitafofoberuve.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83063dd2-31b7-4b5b-8fd4-004a32dd3086/pezibesoxenidixib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/79a65f76-87e8-49ac-bf39-fb18db92547f/kefuperari.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a14fec1d-9f11-4982-9b5d-8e432a534693/nidiro.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/15702042450.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/93972815500.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/animali_in_inglese_esercizi.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/rufasazi.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/wizedigudojofej.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/31108178147.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/97498561802.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/easy_guitar_music.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/radebanawinuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/732ea775-904f-4626-8025-72b31d5547b2/foxevilujiwusiz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ecb185ff-919f-43a2-9da3-d1b0676cc288/guidelines_for_exercise_testing_and.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1e9f3fa-c397-45cd-b4dc-8dc49c6fbdfe/64626148595.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_off000050fd.bin)

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