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/strik?keyword=jerkline+skinner+definition+dictionary In PDF document text

  • https://fulipevaxavu.weebly.com/uploads/1/3/2/6/132695351/afc53.pdfIn PDF document text
  • https://legadiduzavof.weebly.com/uploads/1/3/2/6/132681829/284689.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000a417.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000a417.bin)
  • https://s3.amazonaws.com/pazifetanegapu/digestion_y_absorcion_de_proteinas_en_monogastricos.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/pojapamanosuzeranu.pdfIn PDF document text
  • https://s3.amazonaws.com/dixaleko/toxoplasma_encephalitis.pdfIn PDF document text
  • https://s3.amazonaws.com/mipeboro/javascript_tutorial_step_by_step.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4202/9215/files/3268210552.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2903/6199/files/joxonagul.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8081/9894/files/mojeburu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/1731/2152/files/29186642616.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/2490/0515/files/target_macro_wow_classic.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9087/7845/files/brag_in_spanish.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4885/2885/files/19143340353.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/3652/2149/files/remutivemiguboza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7488/6043/files/reacher_alarm_clock_instructions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a853fac-2ce8-40f4-a7cc-9cbdc45ae926/12815356995.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf009403-17bd-495d-b28c-67e460f3b924/91399472464.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bb57550b-5438-4192-93dd-d08619ef99fd/xevav.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dee21827-5d99-4e22-9e53-1d7a4fb75ad9/1648352394.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de89e475-c968-4380-b3e6-b2b0d06ab27f/pomozokowarinigojuvumuran.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/3876/1109/files/rulixopap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/5004/5092/files/existentialism_in_a_farewell_to_arms.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5017/9999/files/multinational_advertising_noun.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_off0000a417.bin)
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn extracted file (font_01_sfnt_off0000b5b6.bin)
  • http://www.gnu.org/copyleft/gpl.htmRegularIn extracted file (font_01_sfnt_off0000b5b6.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0000e69a.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0000e69a.bin)

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