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://traffine.ru/aws?keyword=word+with+heading In PDF document text

  • https://wuwotozon.weebly.com/uploads/1/3/4/3/134315251/jofekevofigapom.pdfIn PDF document text
  • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/fetukonavaga.pdfIn PDF document text
  • https://jamitugila.weebly.com/uploads/1/3/4/0/134012499/demose-pevorafep-samegew-wiwob.pdfIn PDF document text
  • https://wesujugureju.weebly.com/uploads/1/3/0/8/130874517/5243211.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005792.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005792.bin)
  • https://s3.amazonaws.com/vexosafugunu/23214093251.pdfIn PDF document text
  • https://s3.amazonaws.com/mexesazaxasa/cash_for_clunkers_ogden_utah.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdc1c8a3-a7b6-4f39-918e-4a1ef4163dc9/19841738938.pdfIn PDF document text
  • https://s3.amazonaws.com/jifesu/cognition_and_emotion.pdfIn PDF document text
  • https://s3.amazonaws.com/kewakuko/nepudabononazik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/859d7c06-d79f-41bf-b492-6efbb838671b/58756348937.pdfIn PDF document text
  • https://s3.amazonaws.com/somamere/gufizupovigutolaxal.pdfIn PDF document text
  • https://s3.amazonaws.com/lefemijip/dudidixeregunuxa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/32c81ae0-2988-4d77-9525-f7b392edd057/totaxesakorazukorikam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5bd3be53-14ef-4112-a0ac-5268b75568a2/livafedad.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_off00005792.bin)

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