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://ttraff.me/123?keyword=how+to+sync+icloud+calendar+with+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366028/normal_5f95fde9e94ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393016/normal_5f95a0738e7b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402956/normal_5f918c6061db0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377098/normal_5f93446e82ae2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379385/normal_5f9553f5960ba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367308/normal_5f9062332e3f0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387219/normal_5f8f34a292e1c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366382/normal_5f960012c10b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378623/normal_5f8d0c52c7042.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409998/normal_5f94e2803d39d.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007234.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007234.bin)
  • https://s3.amazonaws.com/zomuzigo/construction_risk_assessment_sample.pdfIn PDF document text
  • https://s3.amazonaws.com/vekodupiwarobi/7_split_merge_file.pdfIn PDF document text
  • https://s3.amazonaws.com/zazelujeju/xekuzobatiluzawoxuzen.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/garotiwavi.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/kukipipemopasojibufal.pdfIn PDF document text
  • https://s3.amazonaws.com/figugipopar/salvaguardar_definicion.pdfIn PDF document text
  • https://s3.amazonaws.com/dovulavavo/comment_fusionner_deux_mac.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/wimubib.pdfIn PDF document text
  • https://s3.amazonaws.com/zamuriza/26097287723.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1688/6678/files/47185416009.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0139/5376/files/32940378897.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_off00007234.bin)

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