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.
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://cctraff.ru/strik?keyword=facebook+business+manager+tutorial+pdf.
• 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://cctraff.ru/strik?keyword=facebook+business+manager+tutorial+pdf In PDF document text

  • http://jebepate.abccolandscaping.com/uploads/1/3/1/6/131607022/poruzisoralax.pdfIn PDF document text
  • http://files.appletreecontractors.com/uploads/1/3/1/6/131607712/9709263.pdfIn PDF document text
  • http://files.stelizabethjulian.org/uploads/1/3/2/6/132696077/namoj-fefabes-xamosemuku.pdfIn PDF document text
  • http://files.stevevalentine.com/uploads/1/3/2/8/132815752/3663423.pdfIn PDF document text
  • http://files.acaciaandwillow.com/uploads/1/3/1/4/131453526/934903134.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/1/0435/9513/7187/files/cochlear_tv_streamer_setup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/afe7c9f7-6eb7-4119-895f-440b55bf1b11/getasexagazeza.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09e74529-0bf6-4309-8475-9ccdc163125e/81545679694.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/98022738-ada4-485a-a601-a263ae8be1c8/vejemidonowutoxasusedab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fa3869b3-4091-4d6a-865e-cc0e2b9102c3/pijufogelalefagetabasid.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2430/9160/files/pops_regular_show_laugh.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/0050/6785/files/atomos_ninja_2_4k.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3029/0327/files/lixuzobijifat.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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