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://ggtraff.ru/123?keyword=tadalafila+diario+bula+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369504/normal_5f88bed926843.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372100/normal_5f888ae6cca19.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370057/normal_5f88771d97786.pdfIn PDF document text
  • https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/41417.pdfIn PDF document text
  • https://melegejisud.weebly.com/uploads/1/3/1/3/131379421/7087037.pdfIn PDF document text
  • https://duxixujojive.weebly.com/uploads/1/3/0/7/130739103/zozamazilidum.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/1/0500/6268/8427/files/speed_boat_jet_ski_racing_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/5424/1694/files/lotro_leveling_guide_reddit.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6012/5080/files/big_bang_running_man_eng_sub.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7928/5915/files/winston_salem_aa_meetings.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3051/4330/files/99956984281.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0468/1151/2986/files/black_and_decker_blower_vac.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9548/5352/files/aller_passe_compose.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ed12351-6b4d-4649-baad-a58ea6aa0058/polanikifak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/277e7dfb-7cd6-4b9a-8387-a3e6a878a17a/bitizuzejoli.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c339c76e-e81f-4d14-ba94-f0ae78284741/kupowufovavexo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/7125/7241/files/xfinity_technicolor_tc8305c_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7136/5804/files/economic_geography_an_institutional_approach.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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