Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Brand-impersonation credential phishing lure critical 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: action link to abused redirector https://pesadosopovito.weebly.com/uploads/1/3/4/2/134235692/nizalopene.pdf.
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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.me/123?keyword=amex+spend+manager+quickbooks In PDF document text

  • https://pesadosopovito.weebly.com/uploads/1/3/4/2/134235692/nizalopene.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382194/normal_5f8ca33a87bbe.pdfIn PDF document text
  • https://s3.amazonaws.com/rorives/35006920837.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366347/normal_5f8b021fa74fc.pdfIn PDF document text
  • https://s3.amazonaws.com/sazixipame/absenteeism_introduction.pdfIn PDF document text
  • https://s3.amazonaws.com/kudufigunabi/vm-250_vending_machine.pdfIn PDF document text
  • https://kigibituridugu.weebly.com/uploads/1/3/4/3/134352406/6459059.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/71674768232.pdfIn PDF document text
  • https://s3.amazonaws.com/zupenafud/40409794595.pdfIn PDF document text
  • https://s3.amazonaws.com/degagaziv/71526337682.pdfIn PDF document text
  • https://s3.amazonaws.com/wixamupelinere/mejati.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/nakikemetunodukadase.pdfIn PDF document text
  • https://s3.amazonaws.com/fuwenoxuzasila/horse_virtual_worlds.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426828/normal_5f9ab2119e8a0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415946/normal_5f9c9e9ebd944.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/1/0266/7770/6943/files/fegigolarezitetugilevo.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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