Malicious PDF — malware analysis report

Heuristics 6

• 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.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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=foray+clothing+size+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366027/normal_5f86fa7d04641.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374976/normal_5f892b8eada64.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f8725624b64a.pdfIn PDF document text
  • https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/1109957.pdfIn PDF document text
  • https://kokubexajaluk.weebly.com/uploads/1/3/2/6/132681668/visozozox.pdfIn PDF document text
  • https://buxivadoga.weebly.com/uploads/1/3/0/7/130740323/xusofaraguwuwipo.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/673ac09e-4d1e-4233-8ed9-b805e2ce3af6/51508479256.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7385543b-e921-4aee-925f-61f0b0a52bc1/97916293927.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4a799483-c91e-4f1c-9110-bb6aebc3766f/peliwowigi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/05fec4e4-e4d9-425d-b8cd-6f3eff1f6ef0/40475590902.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/1128/2843/files/air_force_air_gun_modifications.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8410/6907/files/libritos_de_biologia_celular_cbc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0397/9332/8315/files/contemporary_fashion_illustration_techniques_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/4635/4082/files/vaxedes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6721/1428/files/positive_and_negative_effects_of_european_imperialism_in_africa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02065f7f-f355-4360-a620-3c8147030ad1/lusokogepenerupe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4e14506-0ed3-4da8-8b2b-ff798c34849a/72647411200.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9e3f7a3d-2b29-4165-90a1-dab41eb22766/57188905011.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/93222e7a-cd96-452e-aa8a-7d73dde77c69/61878830888.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6531/0877/files/33745646393.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/9441/2963/files/high_interest_low_level_guided_reading_books.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8123/1264/files/85788712256.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/7464/8232/files/mortynight_run_fart.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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