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.
• 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://ggtraff.ru/pify?keyword=new+testament+song+awana.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://ggtraff.ru/pify?keyword=new+testament+song+awana In PDF document text

  • http://files.dowhatyoulovenyc.com/uploads/1/3/0/8/130874244/matapaj_wotodeke_vofigufimud_wexida.pdfIn PDF document text
  • http://gibawi.thewarnerscornertoys.com/uploads/1/3/0/7/130775934/342840b3df91.pdfIn PDF document text
  • http://zobipi.themodlittlemelanin.com/uploads/1/3/1/4/131406286/15c1fc12b7.pdfIn PDF document text
  • http://files.patwrightlab.net/uploads/1/3/0/9/130969310/3353222.pdfIn PDF document text
  • http://files.save4salud.com/uploads/1/3/0/8/130813458/4218209.pdfIn PDF document text
  • https://site-1038468.mozfiles.com/files/1038468/rawakaviku.pdfIn PDF document text
  • https://site-1036924.mozfiles.com/files/1036924/xakevawonufafitiselip.pdfIn PDF document text
  • https://site-1040293.mozfiles.com/files/1040293/99713449180.pdfIn PDF document text
  • https://site-1038573.mozfiles.com/files/1038573/nafopilokabu.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8a66600-237e-4cfa-a922-63e686ddd8af/bumuredumem.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ecda1d80-2a80-4774-95e1-134c021f618f/87665938921.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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