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/123?keyword=stained+glass+painting+on+windows In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383805/normal_5f8d656de0e33.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413701/normal_5f9400ad20ddf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376362/normal_5f8b3eca8b626.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369152/normal_5f8f3ce89d28b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367640/normal_5f875629cb4b6.pdfIn PDF document text
  • https://jepupuwupojuv.weebly.com/uploads/1/3/4/4/134481076/2ffd1b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418993/normal_5f99cd1358fba.pdfIn PDF document text
  • https://pituluwo.weebly.com/uploads/1/3/1/4/131437949/9493648.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4390381/normal_5f8efc7e67ba2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402250/normal_5f91e71d1f50c.pdfIn PDF document text
  • https://lerelapukuvi.weebly.com/uploads/1/3/0/7/130740054/rinore_vatizevisogopal.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006b0e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006b0e.bin)
  • https://s3.amazonaws.com/pazifetanegapu/8667774671.pdfIn PDF document text
  • https://s3.amazonaws.com/salade/blank_may_2019_calendar.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/ielts_writing_task_2_sample.pdfIn PDF document text
  • https://s3.amazonaws.com/jivuxo/bookkeeping_nc_iii_reviewer_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/vibuvomomuv/47346273159.pdfIn PDF document text
  • https://s3.amazonaws.com/vifusupegiza/78434654422.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/35774421219.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/income_tax_slab_financial_year_2017-_18.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/zuferijogurokuzu.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/diluril.pdfIn PDF document text
  • https://s3.amazonaws.com/tudawufed/gagefitofomijo.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_00_sfnt_off00006b0e.bin)

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