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://gettraff.ru/wb?keyword=first%20and%20second%20conditional%20worksheet%20pdf In PDF document text

  • https://s3.amazonaws.com/xabalaru/29611650337.pdfIn PDF document text
  • https://s3.amazonaws.com/wizidimawag/medicinal_chemistry_1_notes.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/wokakumokalojedov.pdfIn PDF document text
  • https://sukowaletudevux.weebly.com/uploads/1/3/0/8/130874669/samavag-nowaxif-kogofoza.pdfIn PDF document text
  • https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/ripike.pdfIn PDF document text
  • https://dufevirefat.weebly.com/uploads/1/3/1/4/131438490/9981045.pdfIn PDF document text
  • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/de4161d63c65f7.pdfIn PDF document text
  • https://fulipevaxavu.weebly.com/uploads/1/3/2/6/132695351/gowusovamijisox_gixen.pdfIn PDF document text
  • https://gepobuxew.weebly.com/uploads/1/3/1/0/131070920/wiridig-jofolunolizodi-judaxuwanizitup-gevufo.pdfIn PDF document text
  • https://lujadogube.weebly.com/uploads/1/3/4/5/134522393/5729953.pdfIn PDF document text
  • https://bizumoku.weebly.com/uploads/1/3/2/6/132681494/mogimodagoparafo.pdfIn PDF document text
  • https://s3.amazonaws.com/mamibis/76916570062.pdfIn PDF document text
  • https://tusunupo.weebly.com/uploads/1/3/4/5/134507020/zukamifimeb.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/aviation_safety_standards.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000059ce.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000059ce.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00008ed3.bin)
  • https://cdn.shopify.com/s/files/1/0497/3258/3578/files/superfood_smoothie_recipes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4c670a0-8243-4c5d-9e62-6206f931d030/15218623172.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0700/8168/files/lifestraw_water_bottle_first_use_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/5914/0512/files/40929224723.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/3279/2216/files/the_grand_grimoire_the_red_dragon_portugues.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/0458/9742/files/gomixomadupuwibedase.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3935/7638/files/5908315245.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6213/2897/files/cookidoo_app_for_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8725/6480/files/9015539806.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/98c1aad3-c602-495f-aba7-cb26d300d870/introduction_to_mathematical_programming_winston.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/9950/3254/files/34210720106.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_off000059ce.bin)

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