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/123?keyword=jet+engine+inlet+guide+vanes In PDF document text

  • https://site-1039131.mozfiles.com/files/1039131/27910058586.pdfIn PDF document text
  • https://site-1039617.mozfiles.com/files/1039617/nekifup.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365620/normal_5f874edb3b13c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f87055dbc5a7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366003/normal_5f87069f8cdfc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366319/normal_5f8788b9baf71.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368248/normal_5f8785ec85ac0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366632/normal_5f8728569a3fe.pdfIn PDF document text
  • https://site-1038647.mozfiles.com/files/1038647/vuvejatugogosib.pdfIn PDF document text
  • https://site-1039991.mozfiles.com/files/1039991/sonumekufufunepeze.pdfIn PDF document text
  • https://site-1043292.mozfiles.com/files/1043292/61507456891.pdfIn PDF document text
  • https://site-1038738.mozfiles.com/files/1038738/18500596474.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/1/0498/1260/3042/files/activity_17.1_modeling_transcription_and_translation.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2588/9442/files/uniden_bearcat_bct15_scanner_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0023/3636/files/northland_investment_corporation_careers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/1744/5791/files/educational_technology_jobs_mn.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/2199/8501/files/dragon_mania_breeding_calculator.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/38d68ef0-05f8-4371-8e03-a0b57f464ab0/36517782885.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48a5bf0b-7db3-4eea-88b4-95ff3c7991fb/43589311477.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/82c62c14-dc98-4848-a4c9-e2450732189c/99054268114.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a623ffc5-3d7a-459d-84c6-a5cd40bd0518/21330309047.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d1a290b-b4b3-47d7-bf83-c56e3e305a3a/zukavapunafefe.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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