Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://trafffi.ru/123?keyword=maytag+performa+electric+dryer+thermal+fuse PDF link annotation

  • https://nulixedupalaz.weebly.com/uploads/1/3/0/7/130739510/a78475a4aaebd4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390095/normal_5fa87d22282ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392649/normal_5f974c9e6cf9a.pdfIn PDF document text
  • https://bisitewo.weebly.com/uploads/1/3/4/4/134496646/runosu.pdfIn PDF document text
  • https://xusopurepaxa.weebly.com/uploads/1/3/4/1/134108567/6807759.pdfIn PDF document text
  • https://widavobixi.weebly.com/uploads/1/3/4/4/134494271/821998.pdfIn PDF document text
  • https://nugaginidej.weebly.com/uploads/1/3/4/4/134475369/651a37a1f96.pdfIn PDF document text
  • https://ponokexagetax.weebly.com/uploads/1/3/4/3/134326843/1875205.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380528/normal_5fa07d04724ee.pdfIn PDF document text
  • https://nurirekesuvakip.weebly.com/uploads/1/3/4/4/134404885/89cc5bea0f5e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374199/normal_5f99e0b7732ac.pdfIn PDF document text
  • https://jebowevut.weebly.com/uploads/1/3/4/4/134493782/4469798.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/1f6c2bc7-5243-4ae6-826d-2b59deb0a8db/fugaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e2da009-79e1-498e-b84d-413ffd97265b/8830917308.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/22dfcb59-72f9-4607-8a27-a20659cc18ae/45753289347.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7f37f5d-a93d-42b8-b180-89c42557e192/ruban_phosphorescent_leroy_merlin.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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