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://ttraff.com/123?keyword=%25C3%25A9nigmes+math%25C3%25A9matiques+ce2+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366654/normal_5f876487db1c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365659/normal_5f87667e8bd5b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370284/normal_5f8a50566d5c4.pdfIn PDF document text
  • https://mupibidegupek.weebly.com/uploads/1/3/0/8/130874042/5621902.pdfIn PDF document text
  • https://tuxitusonodedin.weebly.com/uploads/1/3/0/8/130873989/bbacff07.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/wijigomofiweb_lotitosede_jukis_dirum.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/xolukofidivuveni.pdfIn PDF document text
  • https://tanifovekula.weebly.com/uploads/1/3/1/3/131379991/1614702.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/tixobenudofezibet.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365655/normal_5f89fbabd7dbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f87044a60d40.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/vepulakanug.pdfIn PDF document text
  • https://folarudivol.weebly.com/uploads/1/3/1/8/131871739/xivizeverodafepo.pdfIn PDF document text
  • https://liwevapazu.weebly.com/uploads/1/3/1/0/131071299/857734.pdfIn PDF document text
  • https://jixepelisu.weebly.com/uploads/1/3/2/6/132695865/6138923.pdfIn PDF document text
  • https://netaluzubik.weebly.com/uploads/1/3/0/8/130813777/wubexetewamav-rezasulebolo-gebawod-pevekujuxo.pdfIn PDF document text
  • https://vilukenuxe.weebly.com/uploads/1/3/2/8/132814007/pelupe.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000058a2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000058a2.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00008fde.bin)
  • 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://ww2.ac-poitiers.fr/math/spip.php?rubrique16In 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_00_sfnt_off000058a2.bin)

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