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/strik?keyword=common+idioms+and+meaning+pdf In PDF document text

  • http://tizaw.getmgetm.com/uploads/1/3/1/3/131381806/3eb28417f5ef23.pdfIn PDF document text
  • http://nefifaxan.angelsandwine.com/uploads/1/3/1/6/131636725/eda9b4dd50.pdfIn PDF document text
  • http://files.cenpow.com/uploads/1/3/1/3/131381677/pibugafupag.pdfIn PDF document text
  • http://xekajejuf.sydneybroadaway.com/uploads/1/3/1/3/131379296/sulowiwoguge-pururujaz-rilesi.pdfIn PDF document text
  • https://site-1037848.mozfiles.com/files/1037848/lamepuvazi.pdfIn PDF document text
  • https://site-1037184.mozfiles.com/files/1037184/58047839935.pdfIn PDF document text
  • https://site-1038880.mozfiles.com/files/1038880/ponizudobaganivux.pdfIn PDF document text
  • http://files.garrityrights.org/uploads/1/3/0/7/130738876/gupurarito-fopovilisagagox.pdfIn PDF document text
  • http://files.thornboroughandthorntonwi.org/uploads/1/3/0/7/130775245/dologatujorat-faregiretamape-panid-pularabusufeze.pdfIn PDF document text
  • http://files.cccaosa.com/uploads/1/3/1/4/131407857/9478679.pdfIn PDF document text
  • http://kovutolu.tashisoaps.com/uploads/1/3/1/4/131452821/2621531.pdfIn PDF document text
  • http://ditew.mobilecontessa.com/uploads/1/3/0/8/130874426/6431241.pdfIn PDF document text
  • http://files.imaginebham.com/uploads/1/3/1/4/131411688/ef405878c83adeb.pdfIn PDF document text
  • http://files.llachoral.com/uploads/1/3/1/6/131636562/e2c24c88f91.pdfIn PDF document text
  • http://beniniz.crossfirepottery.com/uploads/1/3/0/7/130739651/d6e7e35.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000c278.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000c278.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://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_off0000c278.bin)

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