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/123?keyword=thats+a+wrap+word+whizzle+answers In PDF document text

  • https://ziwegakesamud.weebly.com/uploads/1/3/4/4/134468237/824459.pdfIn PDF document text
  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/2531f5ae602e.pdfIn PDF document text
  • https://zosubidam.weebly.com/uploads/1/3/4/3/134316114/1b6307.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000054b2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000054b2.bin)
  • https://s3.amazonaws.com/niporofez/brother_he1_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c136990-f679-4fc9-b1dd-4490c0e063f6/wubevodira.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9094/5223/files/biodata_form_for_marriage_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c5748e0-9e42-4744-8fab-5f9108ab2d97/78871951385.pdfIn PDF document text
  • https://s3.amazonaws.com/zonivezada/adidas_watch_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/2916/8282/files/el_pollo_loco_menu_calories.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/1380/5512/files/angry_bird_star_wars_apk_hack.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_off000054b2.bin)

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