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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/pify?keyword=solving+scale+drawing+problems In PDF document text

  • http://zanunali.lofgrenmusicstudio.com/uploads/1/3/0/8/130814411/2d8fa4a41d17.pdfIn PDF document text
  • http://gadin.caroltalkov.com/uploads/1/3/2/7/132741100/2863.pdfIn PDF document text
  • http://waruf.senbukankarate.com/uploads/1/3/1/4/131408439/benuzabajog.pdfIn PDF document text
  • http://files.cypbb.com/uploads/1/3/0/7/130775143/a9dc6f9a07f575.pdfIn PDF document text
  • http://kagipok.westvillageclothing.com/uploads/1/3/1/3/131383548/bibunawizar.pdfIn PDF document text
  • http://files.mindtomedia.net/uploads/1/3/1/4/131408854/dotepavazatizo.pdfIn PDF document text
  • http://files.suntreehealingarts.com/uploads/1/3/2/7/132740270/zipawe.pdfIn PDF document text
  • http://files.waypointwes.org/uploads/1/3/2/8/132815298/jusumaxilibado.pdfIn PDF document text
  • http://tuzamubid.haaheohc.com/uploads/1/3/1/3/131384284/tolopixelimo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://static.usrfiles.com/ugd/aa14a9_70b9f9ca184d41f28afecd23e7f38063.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/c7ef1a_0042a89d8ef54405b2727e707a29c75c.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/3e87bf_91993ae0fa25466c8ff095fa72248f68.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/a4d998_dc23fce227094565a83edbd8518fe1fd.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b85eb0_5fd3a8db3a7a4bc48a99a28754906755.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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