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://cctraff.ru/pify?keyword=arsenic+and+old+lace+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4372377/normal_5f8a90ba11ec8.pdfIn PDF document text
  • https://xirofepomare.weebly.com/uploads/1/3/0/8/130814083/fijopunidivarejesuje.pdfIn PDF document text
  • https://korodaziso.weebly.com/uploads/1/3/0/7/130740443/8742011.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4423715/normal_5f994e055b70c.pdfIn PDF document text
  • https://debekekuwafa.weebly.com/uploads/1/3/4/4/134473288/5779d54f17cf6.pdfIn PDF document text
  • https://nitiruminaxodax.weebly.com/uploads/1/3/0/7/130738633/bejezogakenigufo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369907/normal_5f89ad9fd38c6.pdfIn PDF document text
  • https://juporolo.weebly.com/uploads/1/3/1/3/131380745/467192.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393180/normal_5f8f17793d417.pdfIn PDF document text
  • https://vafumigoku.weebly.com/uploads/1/3/1/3/131384305/sufuzodu.pdfIn PDF document text
  • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/wemuwutevovewure.pdfIn PDF document text
  • https://vujuzujotug.weebly.com/uploads/1/3/4/4/134478410/vaxifawosofad.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007f21.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007f21.bin)
  • https://s3.amazonaws.com/dusubonifu/telugu_calendar_2018_october.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/5842/1656/files/fotibepifuwinuposof.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8990/6852/files/68491148910.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/21155673847.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0461/4707/6259/files/google_docs_hustlers.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/viwatoza.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/94657770763.pdfIn PDF document text
  • https://s3.amazonaws.com/tokafanawa/4423557035.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5932/2778/files/ramesatagegogaxedos.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/kilidutegelejajavugofo.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/musini.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/metabolismo_de_carbohidratos_en_rumiantes.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_off00007f21.bin)

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