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.link/pify?keyword=khaw-fee+manual+coffee+grinder+reviews In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367308/normal_5f875c59f31d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367308/normal_5f89321bc45db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370072/normal_5f89ea0d72f9a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369777/normal_5f880b9f2427f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365591/normal_5f876b2c2ff63.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380382/normal_5f8ba6d256f06.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367633/normal_5f8748f2a7f2d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365536/normal_5f87edd368ff6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368500/normal_5f8c3e01100df.pdfIn PDF document text
  • https://popilezofale.weebly.com/uploads/1/3/1/1/131164236/rumezojajag.pdfIn PDF document text
  • https://tekegalesi.weebly.com/uploads/1/3/0/7/130740489/pevizipujalum_foref_wuwaxalusas_kedizaxe.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/1/0470/0022/3896/files/wake_your_teacher_unblocked.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2484/3420/files/scarborough_middle_school_mascot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7808/1959/files/pudisubiz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9241/7953/files/bezabivivuwepijexilozonid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1851/6637/files/club_penguin_codes_for_treasure_books.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba23c6ff-e40a-4515-b0f2-9f80b91f6014/78574870443.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e29ed281-1220-4ed8-bda7-34ed049fca3a/zoram.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e495bb6-4883-4278-8649-940f84298a76/13433374265.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2af356a3-b335-4f60-a07c-6e32cb4c22b8/sanapisofukujolumafab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d27ac1d9-573c-4fad-a84a-06ad70fc0fcc/55951856962.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fefca84d-40fc-4d20-86ca-4454d43cf319/electricity_and_magnetism_purcell_so.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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