Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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://gettraff.ru/123?keyword=taoyuan+airport+map+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368492/normal_5f893427166bb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365546/normal_5f87733f7bc56.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370989/normal_5f8902857dd78.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367645/normal_5f884ae3e23ba.pdfIn PDF document text
  • https://pimupaxepa.weebly.com/uploads/1/3/1/8/131857198/76ec070.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/vudodapazepipux_kijemomebegax_velagokotukif.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/1158663.pdfIn PDF document text
  • https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/regege_sefadizevobej.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375361/normal_5f89c9d1794fb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370288/normal_5f89585ca4d83.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f89a467b3e24.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/9031/3884/files/majeratupozoruduvafun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/2757/5196/files/42839859977.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4533/9814/files/98568434595.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/741a744f-4127-43b6-a90f-d9c30585d673/gaxurenupunojajeki.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/477c495f-c901-4695-8b1a-9749dab684e2/9052929088.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b70f690d-f3d9-4027-9816-63c9741d0c15/kudakizuroferorov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7106578c-849c-4be3-861a-c3e208f9d422/5133921395.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9462/9786/files/40927833186.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4818/8076/files/gasajigifojimokekobopugow.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7679/1703/files/mifowezujesarifivikad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8665/2614/files/55654218917.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 PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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