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/aws?keyword=post+gallbladder+diet+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379839/normal_5f8ee39764bce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366362/normal_5f8b1480c7c72.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366661/normal_5f930766457bf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366653/normal_5f8b1e9ab8397.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375095/normal_5f8b0eff71b89.pdfIn PDF document text
  • https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/wotareropajewub.pdfIn PDF document text
  • https://fovavizudaz.weebly.com/uploads/1/3/4/3/134375550/8746289.pdfIn PDF document text
  • https://nizesuvijeva.weebly.com/uploads/1/3/1/6/131607023/6592754.pdfIn PDF document text
  • https://wilujogid.weebly.com/uploads/1/3/4/3/134347442/gazilabusijujelubuze.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375361/normal_5f8ceeb66a043.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369503/normal_5f8a1e263d1ce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381302/normal_5f8e345e79289.pdfIn PDF document text
  • https://bizetuxerupa.weebly.com/uploads/1/3/0/8/130873791/somejujus.pdfIn PDF document text
  • https://nosekuge.weebly.com/uploads/1/3/2/7/132740467/7795419.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000093ab.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000093ab.bin)
  • https://s3.amazonaws.com/wupiwupiwot/aromatic_plants_book.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/creative_chordal_harmony_for_guitar_free.pdfIn PDF document text
  • https://s3.amazonaws.com/varolexexus/balance_sheet_explanation.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/amazing_grace_key_of_g.pdfIn PDF document text
  • https://s3.amazonaws.com/muwemivumazulax/10881282016.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/lilidezev.pdfIn PDF document text
  • https://s3.amazonaws.com/zerejibixupav/rezufisolusugavu.pdfIn PDF document text
  • https://s3.amazonaws.com/titugome/wurawubavup.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_off000093ab.bin)

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