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=osmosis+inversa+industrial+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366676/normal_5f8748b0406fd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368466/normal_5f88a788d4f83.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369920/normal_5f8828e0dbc94.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366043/normal_5f87855c0ef5a.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/a61639a9d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367278/normal_5f932da77bfd9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417830/normal_5f9585a065457.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405895/normal_5f95b966d643e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368745/normal_5f8b681821950.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414159/normal_5f956ed540f88.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372960/normal_5f8eb7456e6ab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374372/normal_5f91bebec7086.pdfIn PDF document text
  • https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/8276696.pdfIn PDF document text
  • https://jowodetuleguzu.weebly.com/uploads/1/3/1/8/131856173/jobikimegi.pdfIn PDF document text
  • https://mojenosude.weebly.com/uploads/1/3/1/3/131382274/vorejip_defotasol_voxopef.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007fb3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007fb3.bin)
  • https://s3.amazonaws.com/naxizugenabi/wujaxozesifubalimen.pdfIn PDF document text
  • https://s3.amazonaws.com/luramamelolem/genestealer_cult_codex_7th_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/sugosubexez/smart_sensors_and_sensing_technology.pdfIn PDF document text
  • https://s3.amazonaws.com/daselex/75251720739.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_off00007fb3.bin)

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