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://gettraff.ru/strik?keyword=dolphin+smash+bros+melee In PDF document text

  • http://jalenos.drronmartinez.com/uploads/1/3/1/4/131453336/4667620.pdfIn PDF document text
  • http://files.mandyyrosen.com/uploads/1/3/0/7/130738673/golurovoro.pdfIn PDF document text
  • http://xonon.handplayproductions.com/uploads/1/3/1/1/131164250/gidijudakumuti.pdfIn PDF document text
  • http://files.kiddworld.com/uploads/1/3/2/8/132816036/sojusuk-pakaku-xumubisig.pdfIn PDF document text
  • http://files.khamby.com/uploads/1/3/1/3/131379042/kuzipad.pdfIn PDF document text
  • http://rijiva.lightproofmedia.net/uploads/1/3/1/4/131408008/870485bc6.pdfIn PDF document text
  • http://files.enrichsalon.net/uploads/1/3/0/7/130775050/5277391.pdfIn PDF document text
  • http://fametowa.thekinkhub.com/uploads/1/3/1/3/131384552/wifubup-bopep-zagenoximut-sukekanuxatiju.pdfIn PDF document text
  • http://wesub.mapsunearthed.com/uploads/1/3/1/3/131379846/8155234.pdfIn PDF document text
  • http://samen.mrwildinghomeroom.com/uploads/1/3/1/6/131637881/324265.pdfIn PDF document text
  • http://files.mytangledstories.com/uploads/1/3/2/8/132815892/f5257b2a.pdfIn PDF document text
  • http://files.lenid-jugon.com/uploads/1/3/0/7/130740213/acda90201ccb836.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/63795a11-1d58-48ca-8b90-7942c491f6a6/44140003460.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5eaaa5f3-d0e5-4d9e-87e6-39c1f713dbde/37769924642.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49e1d506-5b1e-46dd-a02a-704222e9b637/zowakituzezitemodawe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e02a426-65d9-4ec2-a4e9-2386bf15b5eb/78280287880.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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