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://ttraff.club/wix?keyword=tf2+how+to+make+a+server+2019 In PDF document text

  • http://delovuko.abandcalledalexis.com/uploads/1/3/2/7/132712593/nakimimiwive_vafofifon_sivupamu_xoraxetas.pdfIn PDF document text
  • http://files.clevelandtheater.org/uploads/1/3/0/8/130814430/fc15537e9b27.pdfIn PDF document text
  • http://files.mnelks.org/uploads/1/3/1/4/131438567/2229438.pdfIn PDF document text
  • http://files.hensafe.net/uploads/1/3/1/3/131380177/ronupa_wezeg_piwigozoti_gituxet.pdfIn PDF document text
  • http://jiropa.rockymountainflydesign.com/uploads/1/3/1/3/131379103/90b1901e14f782d.pdfIn PDF document text
  • http://files.betterhomes303.com/uploads/1/3/2/7/132741081/730c5c9f7c428c.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://9d36cd12-3d7a-4597-819b-36168c019f93.filesusr.com/ugd/aff7ca_ca5a6e386d7548a9a97f8f54532f791e.pdf?index=trueIn PDF document text
  • https://df9ff5da-caa1-42b8-ac01-2d0011c87bae.filesusr.com/ugd/268ab1_aafbab31b0b94613a8aedd40fb0765c2.pdf?index=trueIn PDF document text
  • https://239dd97e-c61b-45ab-a8f9-8bd83ffee7aa.filesusr.com/ugd/b98abb_3edcb2fe27794b7a91cd60b865134061.pdf?index=trueIn PDF document text
  • https://7b069031-ac9d-4f16-aa3a-f88c19b0834e.filesusr.com/ugd/136d3d_6b984de638e3445eb83641e40a5d97a9.pdf?index=trueIn PDF document text
  • https://c15907c1-102f-4808-a904-b51648de524a.filesusr.com/ugd/3835dd_dc6c5efc3d3747c2a3de06918bd1e548.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/2797/0718/files/ditimujozivubudejakelo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4745/0789/files/18367013106.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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