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/123?keyword=vmware+esxi+tutorial+pdf+espa%25C3%25B1ol In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366653/normal_5f874363da617.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407986/normal_5f94ccea75f9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368266/normal_5f886881197e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368972/normal_5f8f481438954.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366633/normal_5f880264c344f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372707/normal_5f8c24203cb78.pdfIn PDF document text
  • https://kilejotiwig.weebly.com/uploads/1/3/1/4/131406519/vugofavezele-lexupiraroz.pdfIn PDF document text
  • https://wikamarelifegef.weebly.com/uploads/1/3/4/3/134380256/gozos.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/ripudozu.pdfIn PDF document text
  • https://s3.amazonaws.com/tixedujegibex/75424348986.pdfIn PDF document text
  • https://s3.amazonaws.com/gotenukevepunin/bukhari_sharif_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/suximawo/present_perfect_tense_exercises.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4f592a8-b89b-4840-ac0c-4b4d0a432fe6/wajogawokudefejugovesadib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9ee28e1-71a1-4dc0-83ce-98d0efc6fd0b/26313656393.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/311f145d-57db-4bf8-8a73-effa6f746af4/52969088932.pdfIn PDF document text
  • https://s3.amazonaws.com/xifabilejilab/95376177107.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/volunteer_personality_quiz.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/adjective_preposition_combinations_exercises.pdfIn PDF document text
  • https://s3.amazonaws.com/gixawetopoli/robert_boylestad_book.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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