Malicious PDF — malware analysis report

Heuristics 4

• 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 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=the+office+season+5+episode+14 In PDF document text

  • http://files.1980sgold.com/uploads/1/3/0/8/130874282/f807d.pdfIn PDF document text
  • http://files.whiterosestance.com/uploads/1/3/1/8/131856166/a477b1bf5a0a.pdfIn PDF document text
  • http://files.kinglophotography.com/uploads/1/3/0/7/130776535/wilux-xajatemupag-wiverivof.pdfIn PDF document text
  • http://files.blessingtongolf.com/uploads/1/3/0/7/130739256/1927396.pdfIn PDF document text
  • http://bilobez.lyonskinder.com/uploads/1/3/0/8/130874038/midefezadu_zogedekoravimu_bipulosopexose.pdfIn PDF document text
  • http://files.epicureanodyssey.net/uploads/1/3/1/8/131856723/4a829fb0e27.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/4691/0624/files/58834247844.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/edb98739-1f05-4dfb-923b-c52d080badfb/tosasubalova.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8226381-4b58-4541-8c40-2b4482ac5e9f/76870427231.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/95699cc5-f0b6-4bc1-ac0e-4844462571de/wugoxofezimetaseb.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9557a54-a94e-42ba-8ed7-c94e6e1ce53c/dugopagopememubowiponidi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f03be73-86f9-45a7-bdcb-81a079d1a1c6/tokadixam.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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