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=invite+to+whatsapp+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375209/normal_5f8f5a23c3d3b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374185/normal_5f8efe1102a87.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370541/normal_5f897ce649dcc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382772/normal_5f8ec8ffd650c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369190/normal_5f90551fca77a.pdfIn PDF document text
  • https://wunimebi.weebly.com/uploads/1/3/4/3/134361225/jejer-loneradaviwi-wobijawod-lodorisoz.pdfIn PDF document text
  • https://bavejojonosepes.weebly.com/uploads/1/3/1/3/131380601/jejezutesuvi-tulevipisa-wukotomudali-dufadenel.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000639b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000639b.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000ae41.bin)
  • https://s3.amazonaws.com/wonoti/75577766067.pdfIn PDF document text
  • https://s3.amazonaws.com/dabatisew/time_number_line.pdfIn PDF document text
  • https://s3.amazonaws.com/divexikav/bro_administrative_officer_question_paper.pdfIn PDF document text
  • https://s3.amazonaws.com/vuraradaso/an_introduction_to_functional_grammar_halliday_download.pdfIn PDF document text
  • https://s3.amazonaws.com/kufazete/toefl_sample_question_paper.pdfIn PDF document text
  • https://s3.amazonaws.com/babetafaperaxov/laboratory_diagnosis_of_myocardial_infarction.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/rirawoxe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8111/1968/files/gukusazogepunonefi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8114/5762/files/differentiated_instruction_for_ell.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6799/8359/files/88048509577.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9474/4482/files/gerber_mark_ii_non_serrated.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/0419/9075/files/likobiveb.pdfIn PDF document text
  • https://s3.amazonaws.com/rovuweraja/cutting_edge_pre_intermediate_workbook_with_key.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/47273768974.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_off0000639b.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00009902.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00009902.bin)

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