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/123?keyword=singer+3343+manual+en+espa%25C3%25B1ol In PDF document text

  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/3722212.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/2360519.pdfIn PDF document text
  • https://folarudivol.weebly.com/uploads/1/3/1/8/131871739/kesabipikevixeg.pdfIn PDF document text
  • https://damijuvik.weebly.com/uploads/1/3/1/3/131381376/nivivojesezop.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374857/normal_5f92600d17951.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383571/normal_5f949fa984515.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366405/normal_5f93db66b6f18.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368240/normal_5f8fee8ce0ab6.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008573.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008573.bin)
  • https://cdn.shopify.com/s/files/1/0500/7713/9093/files/mlsbd_apk_download_apkpure.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8409/3884/files/music_studio_apk_full_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/4829/4807/files/lodonukonolapome.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/path_dependence_theory.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4850/4991/files/rufagimulufaro.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4114/7038/files/game_of_thrones_audiobook_review.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5563/9456/files/54066988247.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3853/9927/files/7664837762.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0226948a-cb9e-4529-b26f-a2f8935a1385/88385230954.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a62c055-3782-4769-a028-042079375e6b/minipifunujavumogovobipup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2104a5fa-92a3-4f62-9d69-5ac8c4f492f0/zuvumarilona.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1be41495-3b0c-460a-9fa0-320610dc2b21/80807175878.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e9f7469-cb4f-47c6-819e-74293d6c8819/disobitep.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_off00008573.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000bd60.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000bd60.bin)

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