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.
• 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://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/caa64.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.
• 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/123?keyword=oxford+word+skills+pdf+%25D8%25AF%25D8%25A7%25D9%2586%25D9%2584%25D9%2588%25D8%25AF In PDF document text

  • https://cdn-cms.f-static.net/uploads/4392854/normal_5f8faca50e3f3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379736/normal_5f935f044693e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384820/normal_5f902c1d0f338.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369491/normal_5f8b4cb825021.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379221/normal_5f8a788fc53e9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366664/normal_5f881d9f1d952.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378379/normal_5f8d9edc83fd1.pdfIn PDF document text
  • https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/caa64.pdfIn PDF document text
  • https://jadekida.weebly.com/uploads/1/3/4/3/134349878/kuwuwagego_regutike.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000bbcb.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000bbcb.bin)
  • https://uploads.strikinglycdn.com/files/783787bc-9862-44eb-8dbd-a43e0d6ebbc4/template_archicad_22.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3eb862ff-430e-4df8-bea5-b0707b30aa91/83831143895.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c760fcb8-4c63-4884-8589-9c1193255421/gupawatetokusaxibamitu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1436/4059/files/ib_examination_schedule_2015.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/0929/2472/files/71854025366.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/6698/1013/files/29764547880.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/0060/2013/files/letter_stating_support_family_member.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/9050/0001/files/nisokobifeniwimabex.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/bugejujebi.pdfIn PDF document text
  • https://s3.amazonaws.com/nitatotol/amigdalitis_estreptoccica_tratamiento.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 extracted file (font_00_sfnt_off0000bbcb.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000f62d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000f62d.bin)

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