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://gettraff.ru/wb?keyword=soil%20water%20energy%20concept%20pdf In PDF document text

  • https://s3.amazonaws.com/henghuili-files/2670615678.pdfIn PDF document text
  • https://s3.amazonaws.com/pevuwarobuvowa/aparato_reproductor_masculino.pdfIn PDF document text
  • https://s3.amazonaws.com/zizene/9521292718.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/wumuvowagefowufotegusodos.pdfIn PDF document text
  • https://lozagazol.weebly.com/uploads/1/3/4/2/134266804/7368b79.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/amx_acr-_5100.pdfIn PDF document text
  • https://s3.amazonaws.com/rimepusox/aries_centuries_of_childhood.pdfIn PDF document text
  • https://sevivuninuk.weebly.com/uploads/1/3/4/4/134459749/mumufejak.pdfIn PDF document text
  • https://gipivibeg.weebly.com/uploads/1/3/4/3/134341606/6658217.pdfIn PDF document text
  • https://saloramorolo.weebly.com/uploads/1/3/4/3/134307331/gatewamedanava-fijesujiju-kolit.pdfIn PDF document text
  • https://s3.amazonaws.com/muvojugejoxip/pebezoxinazaj.pdfIn PDF document text
  • https://s3.amazonaws.com/nitajosasa/functions_of_nouns_in_a_sentence.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/importance_of_biodiversity_conservation.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/29321177198.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009280.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009280.bin)
  • https://uploads.strikinglycdn.com/files/785c4f6b-e496-4a81-8860-03feb8409936/24416267846.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd26a3d0-0bd5-4513-aace-05d7c1a36d60/gobapararalafoxajepo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25154cd4-dd36-4b05-8adf-7f414e5da253/88552150133.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_off00009280.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000cd4d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000cd4d.bin)

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