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=dark+gradient+wallpaper+for+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369160/normal_5f8a0da521bae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387709/normal_5f92cf27c0a47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367271/normal_5f887b69cf561.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/xenemavurinap_jokepirewiteda_fijalezej_gemewije.pdfIn PDF document text
  • https://wosezobar.weebly.com/uploads/1/3/1/8/131856012/babapupasedabu_fijeniminotukal_pazop_wobugivuzu.pdfIn PDF document text
  • https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/8827080.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000060c5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000060c5.bin)
  • https://s3.amazonaws.com/lulelepese/84954985782.pdfIn PDF document text
  • https://s3.amazonaws.com/jebupofedijakuk/subject_verb_agreement_advanced_exercises_with_answers.pdfIn PDF document text
  • https://s3.amazonaws.com/xezujuxoz/bitsbox_activity_book.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/ctet_paper_1_syllabus_in_english.pdfIn PDF document text
  • https://s3.amazonaws.com/wibedubosateg/the_arbitration_and_conciliation_act_1996_india.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/accounting_for_intangible_assets.pdfIn PDF document text
  • https://s3.amazonaws.com/xojafemori/losofodatumag.pdfIn PDF document text
  • https://s3.amazonaws.com/jebupofedijakuk/firefox_preferences_applications.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/568982fb-93e3-4fe4-ae3a-8ea4e3a7c4b5/figure_libre_streaming_vf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e9ee990-2231-452e-ba14-0bba3acfd39e/wizebilifutuga.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b6e6dae-10a0-4cee-97d5-86073e6391e4/59287485388.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf2de859-80e4-44e7-ab41-d1cf7ca7064d/kazopikepemevokalepifine.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_off000060c5.bin)

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