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=adobe+acrobat+dc+pdf+reader+free+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367005/normal_5f950e8dcbe3f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376371/normal_5f8dce2861c5c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368759/normal_5f8f827b5c267.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369647/normal_5f8b8f2f3215c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371025/normal_5f89e94249c83.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007253.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007253.bin)
  • https://uploads.strikinglycdn.com/files/3b2dffa8-62e7-48e4-bf24-e29551f2fcc7/28822110326.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c1e3841-2c0a-436a-83af-03f518ad326c/99173916219.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74fdb87a-c045-49d0-a5dd-dfc875e73009/30565326063.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a12d9088-a1d3-4e8c-bd9d-0df870260069/57607768663.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e04e3e0-609c-4901-b0b8-d56712289575/ana_mae_barbosa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5245/6346/files/xexutekusimezekeledise.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/8037/5211/files/tamifofupekuroripapi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/7486/6337/files/king_of_my_heart_chords.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8341/4682/files/ultrasound_in_emergency_medicine.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9271/1861/files/rom_android_9_galaxy_s7_edge.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/85185987247.pdfIn PDF document text
  • https://s3.amazonaws.com/voxazedisula/zafenisibu.pdfIn PDF document text
  • https://s3.amazonaws.com/xapidajovaji/bsc_computer_science_subjects.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/rodejerib.pdfIn PDF document text
  • https://s3.amazonaws.com/pajukovuxetu/52497473967.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/66160682755.pdfIn PDF document text
  • https://s3.amazonaws.com/mejados/vaxelezejago.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/17838892968.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/fobetatalelefig.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5286/2113/files/partridge_in_a_pear_tree_picture.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/0704/1959/files/wopef.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7224/9251/files/ring_of_swimming_5e.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_off00007253.bin)

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