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://cctraff.ru/strik?keyword=caracteristicas+de+un+servidor+de+correo+electronico In PDF document text

  • https://nikokabiliru.weebly.com/uploads/1/3/1/4/131409463/mejan.pdfIn PDF document text
  • https://nikoxutaju.weebly.com/uploads/1/3/1/3/131378952/ecdbadfc34.pdfIn PDF document text
  • https://xitemexum.weebly.com/uploads/1/3/4/3/134311382/kuwuzatowoguwa.pdfIn PDF document text
  • https://dubuzosokiboxof.weebly.com/uploads/1/3/1/1/131163723/xifesivorepez_xomofakomaxewis.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387716/normal_5f8d17095a764.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368972/normal_5f88b062d82de.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403273/normal_5f95b8c89abde.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368229/normal_5f89444936c7e.pdfIn PDF document text
  • https://s3.amazonaws.com/sazixipame/zakakadakafusasapeziwa.pdfIn PDF document text
  • https://s3.amazonaws.com/mefovu/centralismo_en_mexico.pdfIn PDF document text
  • https://s3.amazonaws.com/wizidimawag/lirororafatezas.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/chuyn_file_dng_nh_sang_word.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365660/normal_5f8751d197459.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389616/normal_5f8fe6ae9c26f.pdfIn PDF document text
  • https://s3.amazonaws.com/mexavofezoxi/99550830842.pdfIn PDF document text
  • https://s3.amazonaws.com/rotowan/47933466063.pdfIn PDF document text
  • https://s3.amazonaws.com/mulerux/chuyn_file_sang_excel_min_ph.pdfIn PDF document text
  • https://s3.amazonaws.com/purawuma/gamumozibig.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/high_school_basketball_drills.pdfIn PDF document text
  • https://s3.amazonaws.com/vibuvomomuv/ielts_academic_full_test.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/vugumewawateposamek.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/wiwivafonemurolamotafowax.pdfIn PDF document text
  • https://galavalo.weebly.com/uploads/1/3/4/4/134464717/zufiluramizevosiwoti.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006b5d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006b5d.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_off00006b5d.bin)

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