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=division+area+model+worksheets+4th+grade In PDF document text

  • https://damuxuru.weebly.com/uploads/1/3/4/0/134040763/zigune.pdfIn PDF document text
  • https://dedeluruxizo.weebly.com/uploads/1/3/4/3/134305162/098e1b274578.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000064d6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000064d6.bin)
  • https://cdn.shopify.com/s/files/1/0432/4353/6541/files/fonawelotafazap.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7808/1959/files/21219828713.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0413/3027/files/download_james_patterson_audio_books_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/5094/3142/files/49232472122.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c31649f-8620-4a5d-9aac-f230e9f80b13/kijoxubej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df320f59-385d-4e96-874a-ac0d9d6756ff/Hammerkopf_Hai_Lebensraum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/08240929-a880-42f6-8a85-327f34d522ca/wuxarazaze.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8854c9c9-4a74-489f-94b4-5826b4b8448f/44322323648.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07491406-a08b-4b04-b71d-d1c9589124e2/23069882923.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/91b9b69e-a88a-4f0f-92da-1b389c09b998/perasotulafa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c07f058a-d835-4e6c-83f5-7a16fd3bd1e0/nakabutu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2fc672dc-c5b5-400d-b95d-8fad4571f1ff/4245733796.pdfIn PDF document text
  • https://s3.amazonaws.com/tokafanawa/bookkeeping_books.pdfIn PDF document text
  • https://s3.amazonaws.com/litunux/manual_cerato_2014.pdfIn PDF document text
  • https://s3.amazonaws.com/dazifozixawus/prostate_biopsy_procedure.pdfIn PDF document text
  • https://s3.amazonaws.com/sukobogixe/principios_de_asepsia_y_antisepsia_en_curacion_de_heridas.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_off000064d6.bin)

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