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://ttraff.me/123?keyword=cracked+apk+games+download In PDF document text

  • https://gemaxudemaxepeb.weebly.com/uploads/1/3/1/0/131070646/munenupowubib.pdfIn PDF document text
  • https://luxapojago.weebly.com/uploads/1/3/4/3/134327771/869405.pdfIn PDF document text
  • https://mizunawakore.weebly.com/uploads/1/3/1/4/131406356/dfa792.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f86fcc2c4d8c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391642/normal_5f93aeac78192.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394073/normal_5f92667159f4a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365662/normal_5f8d39179182b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366398/normal_5f89fa4f5425e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375541/normal_5f89b23e40bdd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367644/normal_5f8a30faceadb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369903/normal_5f8cf4ff81107.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000841b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000841b.bin)
  • https://uploads.strikinglycdn.com/files/17f40bf4-4de1-4005-8b06-df97f16d58a8/88075207854.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3b0e001-e401-4a56-8ef5-8e055b06f1ab/jubupikupuve.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/145be375-e18b-45be-b5ff-4fa0daa3db0f/kakokumifaneluzalotegevob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c733058-1a01-4b8d-821a-3c8683e82335/nepobuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3347e82b-0283-4f95-b852-f37daadf3423/78148177404.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a48c894-8f40-4fc9-a120-e1354a88b927/spalding_portable_backboard_system_54.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/536d0d53-32f4-4c01-bb84-f951e1e23cbd/ritiwerunuveramarebesod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/251d6cf9-60ad-4943-bc56-cea7dfb3dd38/kibazusurumif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b699a578-6801-4559-bf04-3068602eec70/86282815266.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/812db2ea-8a4a-4d55-af43-b7430370b662/67360265920.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0820987b-18c2-49fd-a9e3-916a2156dbd8/24011508294.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29ecc3fa-eacc-4ff6-b403-1af17cc32a7a/70272983669.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4d8bafbd-bded-4d2d-8fc6-376cc48596ee/jepogujib.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_off0000841b.bin)

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