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.
• 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.
• Brand-impersonation credential phishing lure critical 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: action link to abused redirector https://mujugoseboli.weebly.com/uploads/1/3/4/3/134312554/wazasajuje_gojifu_bedegaduvewew.pdf.
• 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
• 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://traffking.ru/123?keyword=the+classroom+3+unblocked In PDF document text

  • https://cdn-cms.f-static.net/uploads/4380527/normal_5f8b5fed3ae15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367299/normal_5f87543a3fde7.pdfIn PDF document text
  • https://mujugoseboli.weebly.com/uploads/1/3/4/3/134312554/wazasajuje_gojifu_bedegaduvewew.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/ligole/gill_management_company.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/25936715993.pdfIn PDF document text
  • https://s3.amazonaws.com/belapawerezuju/40533664205.pdfIn PDF document text
  • https://s3.amazonaws.com/nagev/knock_em_dead_interview_tips.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/205e4b5d-2938-4d72-9b2e-248105e0c380/4562808084.pdfIn PDF document text
  • https://s3.amazonaws.com/dirijazi/filuvu.pdfIn PDF document text
  • https://s3.amazonaws.com/ninazarila/gemstone_iv_cleric_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e92e77ea-120d-4b1f-b380-257205a51016/85062049861.pdfIn PDF document text
  • https://s3.amazonaws.com/tonisefoteka/tebura.pdfIn PDF document text
  • https://s3.amazonaws.com/nafoxuda/xorebikatadawo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/620e1dcd-8f81-44ec-90e9-64301655c6f9/mefesazilotiduvu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c61bb8d-87aa-406f-bcc3-800830dbae0d/r_ngot_p_mcdonalds_glutenfri.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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