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://cctraff.ru/123?keyword=stuck+up+suit+vi+keeland+pdf+espa%25C3%25B1ol In PDF document text

  • https://zoveponezewuda.weebly.com/uploads/1/3/0/7/130738822/zifitam.pdfIn PDF document text
  • https://jufaxexave.weebly.com/uploads/1/3/0/7/130775513/6e5c8a73.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/delelides_dasexurekiwar_jajumab.pdfIn PDF document text
  • https://rizebilawi.weebly.com/uploads/1/3/0/8/130814716/nirexupinamimegefij.pdfIn PDF document text
  • https://finazodaxuvoj.weebly.com/uploads/1/3/2/6/132682535/40b2b46bc.pdfIn PDF document text
  • https://rivisoni.weebly.com/uploads/1/3/0/7/130739016/bapujim.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365608/normal_5f87961be9e19.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369763/normal_5f88cb3008efe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365638/normal_5f88b2027264b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367301/normal_5f888f6aeae9a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366045/normal_5f88005a36014.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off000097c3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off000097c3.bin)
  • https://uploads.strikinglycdn.com/files/521ec9ec-adb2-48f1-8486-e3766491dea1/72160042492.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f9c068ac-2fe3-41e2-939c-deb62834cb32/tepod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/22e82d02-bfc7-4d25-b75c-af9492406e2e/13140119430.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b59bd1b-83d6-4018-bdf2-d63aec575eaf/bobejefavaxup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2b0565d-cbd3-46a8-b779-03f338b9beda/napigirekukowuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5f65761-7313-4207-90b2-2d1bc62826f7/xibesa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5c7e168f-6e6a-437e-99e1-d2af0bd5e4eb/mokevezunadunolafi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e3845cfa-2bb3-4b10-8a14-7dc2d17e6768/nilijekofolag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa859c10-1ef6-4ed1-a90f-1c1bd44820a3/zavirodefaxeded.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 extracted file (font_01_sfnt_off000097c3.bin)

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