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=duel+masters+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374518/normal_5f8ff26f6ab73.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416935/normal_5f9617fbd6494.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375351/normal_5f8a513caf0cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384299/normal_5f9721cbbef3c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367920/normal_5f8764f478a2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412890/normal_5f98561109977.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366354/normal_5f995866c29a8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381971/normal_5f943ef293cc4.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000082c8.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000082c8.bin)
  • https://s3.amazonaws.com/memul/43693066137.pdfIn PDF document text
  • https://s3.amazonaws.com/fosagoba/kovinaroviva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ccb9422b-9090-49e6-a281-74aaa9cb4126/xiporuneruwefenavivariv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/6424/8470/files/fisiopatologia_da_osteoporose.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8332/8405/files/scanned_to_editable_word_converter_software.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3414/0072/files/36868869262.pdfIn PDF document text
  • https://s3.amazonaws.com/sepawi/sumaga.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0960/5273/files/lavado_de_alfombras.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1861/6473/files/charles_taylor_atomism.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/6027/8949/files/sivipifojepubiziveb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1420/7134/files/bisafubemaru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/750e0aa4-3496-421d-aa37-594a137a77a5/50004549059.pdfIn PDF document text
  • https://s3.amazonaws.com/vezumobigodub/23231549414.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d027a6a8-c130-4cb4-b60c-c1f95464c148/venunulafokubuvovitisulir.pdfIn PDF document text
  • https://s3.amazonaws.com/gavexilatuvitaz/scaredy_squirrel_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7289/4629/files/theater_rehearsal_space_brooklyn.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87904803-fdee-48d0-be8e-29e1128f411e/lemidefixebi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9025/7081/files/banej.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://dejavu.sourceforge.netIn extracted file (stream_006_off0000bb1b.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (stream_006_off0000bb1b.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off000082c8.bin)

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