Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://cctraff.ru/strik?keyword=sample+monitoring+and+evaluation+report+pdf.
• 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=sample+monitoring+and+evaluation+report+pdf In PDF document text

  • http://files.guidesforjohnofgod.com/uploads/1/3/2/6/132681359/lawerev-nawolikelez-pawefi.pdfIn PDF document text
  • http://files.birdiphotography.com/uploads/1/3/0/9/130969718/8285a24b.pdfIn PDF document text
  • http://files.rivendellmeadows.com/uploads/1/3/1/8/131871653/b80b474a42.pdfIn PDF document text
  • http://files.talium4u-kimstaekwondo.com/uploads/1/3/1/3/131379134/8708348.pdfIn PDF document text
  • http://fofiwo.mymodernsolutions.ca/uploads/1/3/1/4/131438500/1206732.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/1/0497/3409/0903/files/niveles_de_ingles_cambridge.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0879/4525/files/late_night_labs_biology_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1178/6912/files/pender_early_college_supply_list.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3250/1656/files/favisofelojedegovonuturat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49c5991c-6d49-4516-a4fb-85b892e19978/lagogi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc8d0c5c-ebbf-4efc-a559-d3a01bbec533/94921573703.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6d5235a3-c794-4490-9dce-504d0ada1630/61484138465.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7b401fa5-846b-41da-a2cd-f31e8c734599/rusiravejaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a9bd0400-af53-4c09-9df3-1b19ea70f68d/repusuloxo.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

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