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/pify?keyword=parry%2527s+valuation+tables+and+conversion+tables+pdf In PDF document text

  • https://site-1043381.mozfiles.com/files/1043381/33129574034.pdfIn PDF document text
  • https://site-1038897.mozfiles.com/files/1038897/fikikatet.pdfIn PDF document text
  • https://site-1043491.mozfiles.com/files/1043491/17257911573.pdfIn PDF document text
  • https://site-1044186.mozfiles.com/files/1044186/84391093970.pdfIn PDF document text
  • https://site-1038477.mozfiles.com/files/1038477/11144808409.pdfIn PDF document text
  • https://site-1037902.mozfiles.com/files/1037902/remajagimokadivuruguwukil.pdfIn PDF document text
  • https://site-1040669.mozfiles.com/files/1040669/zidimewo.pdfIn PDF document text
  • https://site-1036980.mozfiles.com/files/1036980/78022596636.pdfIn PDF document text
  • https://site-1039743.mozfiles.com/files/1039743/finuzimuruludo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365659/normal_5f87253da6845.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367617/normal_5f880f36daecb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366014/normal_5f872a551d184.pdfIn PDF document text
  • https://site-1036667.mozfiles.com/files/1036667/busifomap.pdfIn PDF document text
  • https://site-1039963.mozfiles.com/files/1039963/47731241990.pdfIn PDF document text
  • https://site-1039268.mozfiles.com/files/1039268/nivajimesew.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/realidades_3_test_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5777/3728/files/87000225996.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/7070/1735/files/junto_a_ti_maria_letra.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3080/7196/files/vebenigog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1838/7097/files/11234756995.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4104/7206/files/anton_chekhov_three_sisters_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/9339/8182/files/34611199134.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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