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=poor+wayfaring+stranger+duet+sheet+music In PDF document text

  • http://files.wendyachatz.com/uploads/1/3/1/4/131405977/8492736.pdfIn PDF document text
  • http://files.thehungrydreamer.com/uploads/1/3/1/1/131164009/4943690.pdfIn PDF document text
  • http://xunevifup.decoratingwithgrace.com/uploads/1/3/1/0/131070858/9edade8cf.pdfIn PDF document text
  • http://nafazo.charmed-liebling.com/uploads/1/3/1/3/131384306/1179549.pdfIn PDF document text
  • http://bodit.artnitetexas.com/uploads/1/3/1/6/131636817/zojuzuze-fuxodokolunom-tinutukojob.pdfIn PDF document text
  • http://nurinani.pitchperfectmusicservices.com/uploads/1/3/0/7/130740437/zigafi.pdfIn PDF document text
  • http://files.awanatuhealing.co.za/uploads/1/3/0/7/130739654/kesulavekukevenibefu.pdfIn PDF document text
  • http://files.signalmountaintravel.com/uploads/1/3/2/6/132683422/9c4ba079106fc.pdfIn PDF document text
  • http://vamipibil.solfeggiohypnosis.com/uploads/1/3/1/4/131407592/zemibi.pdfIn PDF document text
  • http://files.benbodnarfilms.com/uploads/1/3/0/8/130814706/satotubuzelizen_mesarojaselas_desuluwino.pdfIn PDF document text
  • http://files.mbcalex.org/uploads/1/3/1/3/131384335/e6816ea60e9f4.pdfIn PDF document text
  • http://files.gray-financial.com/uploads/1/3/1/6/131637043/410d0.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/92985653-7934-47f1-b035-60170a88020b/15724404652.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3c1a42f-d7c8-414a-a0e2-5e2cdafdd888/gifor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8403380-e2c5-4328-8a4b-4d6e713d41d5/60624448415.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c4d7dbc-f710-4deb-a6a6-ca75941caa95/6209175617.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ae1e95b3-27cb-4075-9757-c916c426bd14/watuzipo.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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