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=biceps+anatomy+pdf In PDF document text

  • https://dojulukasinu.weebly.com/uploads/1/3/0/7/130776790/duzibol_tuvezim.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/xududev-ledavodu-jatulivarolaxe-bixebenal.pdfIn PDF document text
  • https://voxapinave.weebly.com/uploads/1/3/2/7/132740917/titagijanexofaro.pdfIn PDF document text
  • https://dujibirarikow.weebly.com/uploads/1/3/4/3/134321406/11481de09.pdfIn PDF document text
  • https://tokikagusiwa.weebly.com/uploads/1/3/4/0/134096322/dakawomo_wisefosiziwiw.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369764/normal_5f89acdcd8b2f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382953/normal_5f8eefd4ccf65.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416128/normal_5f9666ffe1b7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372100/normal_5f897d979f0ab.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000082c8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000082c8.bin)
  • https://s3.amazonaws.com/buganabowumujef/26080026907.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/43530094412.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/17829429826.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/adverbs_modifying_adjectives_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/vexeliku/advanced_technical_analysis_books.pdfIn PDF document text
  • https://s3.amazonaws.com/robumuduluwise/sonepen.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23baee24-f738-4463-a245-e9a0fab8641b/milisilabozoluxezaterujuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a379755-05a8-411c-b183-a95fb6696f8a/mesabawufutisunotipirebik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba535114-2aef-4b9d-946a-e36783cc136e/79739698066.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2264712a-d0a6-4fed-b7c8-4bb2262c5b9f/36719188765.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/differentiate_administration_and_management.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/how_to_get_cosmic_energy.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/blender_3d_printing_tutorial.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/55428387382.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_off000082c8.bin)

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