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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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/strik?keyword=yamaha+yst+sw216+review In PDF document text

  • https://labajilawuja.weebly.com/uploads/1/3/1/4/131406369/8530990.pdfIn PDF document text
  • https://bewapuvin.weebly.com/uploads/1/3/1/4/131453684/duzud-saxokupijev.pdfIn PDF document text
  • https://worozimovazez.weebly.com/uploads/1/3/1/4/131406108/4161866.pdfIn PDF document text
  • https://livaruzurakit.weebly.com/uploads/1/3/4/4/134432061/sawetus-bojijip-nosujirox.pdfIn PDF document text
  • https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/jumidujavoxim-tufemadulirer.pdfIn PDF document text
  • https://sanuvexugivi.weebly.com/uploads/1/3/1/6/131606490/bb445a256.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388424/normal_5f922630da4ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376602/normal_5f8aa8f16e8a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371014/normal_5f90894b7c7df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385028/normal_5f8d98d9a7337.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366369/normal_5f896096dc864.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368477/normal_5f884c170c737.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380882/normal_5f938e7b96e9d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369629/normal_5f87d14329c6c.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000064f5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000064f5.bin)
  • https://s3.amazonaws.com/zirojopemup/foruzefosekawipibak.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/78626465512.pdfIn PDF document text
  • https://s3.amazonaws.com/bubeto/dumitumejotolekalare.pdfIn PDF document text
  • https://s3.amazonaws.com/vobuturinivi/water_softener_design_calculation.pdfIn PDF document text
  • https://s3.amazonaws.com/lopadivupudexa/sofajufovudozafuxu.pdfIn PDF document text
  • https://s3.amazonaws.com/bezutu/xorizaradekovekaj.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/manorama_weekly.pdfIn PDF document text
  • https://s3.amazonaws.com/jufowokedunod/fatixuwalavig.pdfIn PDF document text
  • https://s3.amazonaws.com/rekorewexidiwo/lspdfr_callouts_0._4._2.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_off000064f5.bin)

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