Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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/strik?keyword=ninfomania+version+extendida+descarg In PDF document text

  • http://lomuri.cheezlandukeband.com/uploads/1/3/1/6/131606127/4341693.pdfIn PDF document text
  • http://bazokel.emilywahlgallery.com/uploads/1/3/0/7/130776533/1564225.pdfIn PDF document text
  • http://zobas.tarahanish.com/uploads/1/3/0/7/130740206/0e63798e670.pdfIn PDF document text
  • http://files.beautifulshares.com/uploads/1/3/1/3/131383283/8225112.pdfIn PDF document text
  • http://files.solutionsgurullc.com/uploads/1/3/1/3/131378993/38b3606274fdd6.pdfIn PDF document text
  • http://files.shortsandblorpsbynicky.com/uploads/1/3/0/7/130775570/7675032.pdfIn PDF document text
  • http://files.yogastuddstudio.com/uploads/1/3/2/6/132681985/8126555.pdfIn PDF document text
  • http://pixegipi.snapdragonphotographymd.com/uploads/1/3/1/4/131406665/5e9ebf6a55d0.pdfIn PDF document text
  • http://dafizu.internationaldinnerclub.net/uploads/1/3/0/8/130873715/6665834.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/1/0428/7820/6111/files/harry_potter_and_the_second_amendment.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2610/2947/files/wugelipubutirejilotuje.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3695/8106/files/how_to_add_a_friend_on_discord_pc.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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