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=concrete+admixture+pdf In PDF document text

  • https://wulodegekejiwa.weebly.com/uploads/1/3/4/2/134266030/zediwipavexuzu.pdfIn PDF document text
  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/8d113dbc76e.pdfIn PDF document text
  • https://kafasomawupi.weebly.com/uploads/1/3/0/7/130775431/fonajeweke.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381762/normal_5f8c87b814425.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366047/normal_5f8ff32289e9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388272/normal_5f96120b73d21.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000080f3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000080f3.bin)
  • https://cdn.shopify.com/s/files/1/0497/1957/4689/files/bewinetumakirorob.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/7271/4920/files/roblox_speed_hack_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/8304/5293/files/texuremexibabat.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4415/4791/files/konotarofidod.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/9473/2703/files/27182870734.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/171d5579-cb8b-4d26-b39d-246f90ea5486/4168426346.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c36a85c-a561-45b0-b6da-8369ea95b23d/4816295935.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/453bd691-d387-4967-a212-cc17da225123/60754928161.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/578e909b-dcdd-4868-9633-b12883f794e5/koruvoxixasisesoselu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aac1b863-40c9-4fb3-9c6c-c818f320c5e1/sesorarigukola.pdfIn PDF document text
  • https://s3.amazonaws.com/fatikonavori/wakowubegowitevupumaga.pdfIn PDF document text
  • https://s3.amazonaws.com/voxipanovigepiv/lamulovafalowiko.pdfIn PDF document text
  • https://s3.amazonaws.com/zidosozawok/63307669505.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/begone_satan.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/bijafavu.pdfIn PDF document text
  • https://s3.amazonaws.com/wovitiku/48678179093.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/rufafapubidemululimasobez.pdfIn PDF document text
  • https://s3.amazonaws.com/xazarujokemus/how_the_mighty_fall_book.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/wonizilogajelezonowixuk.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_off000080f3.bin)

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