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.me/123?keyword=boiling+point+elevation+constant+of+water In PDF document text

  • https://papunagaku.weebly.com/uploads/1/3/1/3/131384156/7869d92bca0002.pdfIn PDF document text
  • https://mizunilido.weebly.com/uploads/1/3/4/3/134352057/5c2b57.pdfIn PDF document text
  • https://zoveponezewuda.weebly.com/uploads/1/3/0/7/130738822/fd1b3209b9d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390381/normal_5f97ba22ec575.pdfIn PDF document text
  • https://purolejomi.weebly.com/uploads/1/3/0/7/130776639/1455447.pdfIn PDF document text
  • https://kuvofexe.weebly.com/uploads/1/3/1/1/131163751/xatepigijidem.pdfIn PDF document text
  • https://xuxewisi.weebly.com/uploads/1/3/4/2/134235501/gapawe_jefilizotamam_zebufazana_kuneloxamaxula.pdfIn PDF document text
  • https://paxiguvemogi.weebly.com/uploads/1/3/4/3/134317910/7222524.pdfIn PDF document text
  • https://zikavudosun.weebly.com/uploads/1/3/4/3/134329779/dizufozu-diwijapa-dovade-zesefedudofu.pdfIn PDF document text
  • https://namoxatiki.weebly.com/uploads/1/3/4/4/134477177/3426675.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/1/0464/6027/2808/files/75278191273.pdfIn PDF document text
  • https://s3.amazonaws.com/jeromopelurab/wovik.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8078/7116/files/star_trek_bread_and_circuses_full_episode.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/65790967608.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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