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.link/pify?keyword=business+communication+today+13th+edition+pdf In PDF document text

  • https://site-1036876.mozfiles.com/files/1036876/60128222305.pdfIn PDF document text
  • https://site-1036861.mozfiles.com/files/1036861/debowazusefomodipuraran.pdfIn PDF document text
  • https://site-1037233.mozfiles.com/files/1037233/suxadodotifug.pdfIn PDF document text
  • https://site-1040041.mozfiles.com/files/1040041/6133535113.pdfIn PDF document text
  • http://xapubuxow.2ndchancehypnotherapy.com/uploads/1/3/2/7/132740228/wujutufal-vosulurokim-sudokarow.pdfIn PDF document text
  • http://files.hillszonechssa.asn.au/uploads/1/3/1/6/131637372/zivazo_tuvef_livenab_toloko.pdfIn PDF document text
  • http://vesatub.koi-bettas.com/uploads/1/3/0/7/130739080/3266274.pdfIn PDF document text
  • http://files.hotrhythmholiday.com/uploads/1/3/2/6/132695828/e80dafa898562ba.pdfIn PDF document text
  • http://files.malvernquilters.co.uk/uploads/1/3/1/8/131872087/8932249.pdfIn PDF document text
  • http://files.informatieoorlog.com/uploads/1/3/2/7/132740598/felitafixutuf.pdfIn PDF document text
  • http://diduxaxi.losslessimagery.com/uploads/1/3/1/8/131857204/468e2ec4c39d.pdfIn PDF document text
  • http://gafel.churchofsaintmarks.org/uploads/1/3/1/4/131453278/4491069.pdfIn PDF document text
  • http://sutiwazi.ucsdnsysusymposium.org/uploads/1/3/1/3/131381428/5533802.pdfIn PDF document text
  • http://pifej.magidome.com/uploads/1/3/0/7/130740069/d072cbe22d9a62.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/edf2e922-80b9-4db7-9830-63955c7c08b8/42066419080.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ad705e6-e9a3-43fe-b55d-9df19c461e30/55296305245.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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