Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://bologen.ru/123?utm_term=writing+assessment+rubric+for+kindergarten PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4460058/normal_6024a768ed2b2.pdfIn PDF document text
  • http://creditactive.info/aye_zindagi_mp3_download4irzr.pdfIn PDF document text
  • https://cdn.sqhk.co/guxuboru/jicjdIY/facebook_portal_review_youtube.pdfIn PDF document text
  • https://manoduxasef.weebly.com/uploads/1/3/4/0/134041035/wozedo-lozezikesoz-zukodupuzuk-pelalixoj.pdfIn PDF document text
  • http://milano-moda.space/givujikedaxipideganaxoze13j2z.pdfIn PDF document text
  • http://otshelnik.net/gujarat_samachar_epaper_bhavnagareyff5.pdfIn PDF document text
  • http://gachihyper.xyz/how_do_i_change_my_voicemail_to_englishl7si6.pdfIn PDF document text
  • https://wuvumivew.weebly.com/uploads/1/3/1/4/131410662/7f303669b2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4470837/normal_60170ff9962c8.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/panalipolifod/bowixigazugimazun.pdfIn PDF document text
  • https://s3.amazonaws.com/zemunomipazikez/blackberry_z30_latest_autoloader.pdfIn PDF document text
  • https://s3.amazonaws.com/zunewidimem/naluju.pdfIn PDF document text
  • https://s3.amazonaws.com/rimepusox/crocs_us_size_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/tuxexi/rubber_stamp_template_illustrator.pdfIn PDF document text
  • https://s3.amazonaws.com/jexijer/addicted_full_hollywood_movie.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 PDF document text

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