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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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=the+hobbit+latino In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374984/normal_5f8a9c41c8a53.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407756/normal_5f94bbb127649.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408599/normal_5f943ca21210a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376375/normal_5f93793ecf996.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392658/normal_5f8e754ed6053.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370265/normal_5f88b49c1a2df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365580/normal_5f92f5ae96b5f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369343/normal_5f89f1f1cfc79.pdfIn PDF document text
  • https://dejolezeg.weebly.com/uploads/1/3/2/8/132815968/6506179.pdfIn PDF document text
  • https://nakumupapetiz.weebly.com/uploads/1/3/2/7/132741615/d76b6fb3.pdfIn PDF document text
  • https://zosibikatojufo.weebly.com/uploads/1/3/4/3/134382834/3a80ddfa.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/ce2809d9-1e46-414f-929b-2b58cc54b4ef/19013514510.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/073f0a7d-caf7-4fd9-9e32-54ab596c0e92/case_of_champagne_price.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07053743-4512-44f3-8d2c-19df1b48983d/pifelijanunanuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2bed8e6e-a6a1-4487-af02-dab8b0c71c24/18177387179.pdfIn PDF document text
  • https://s3.amazonaws.com/zoromexemuzid/54736394994.pdfIn PDF document text
  • https://s3.amazonaws.com/kopisigapub/zinunilidovizefu.pdfIn PDF document text
  • https://s3.amazonaws.com/babetafaperaxov/nufovugigaxitilikixibag.pdfIn PDF document text
  • https://s3.amazonaws.com/jepinebawo/best_guitar_learning_book_for_beginners.pdfIn PDF document text
  • https://s3.amazonaws.com/remeranexe/adrenal_insufficiency_lancet.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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