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/aws?keyword=afrisam+bursary+2020+application+form+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366351/normal_5f870f66c0cf1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367631/normal_5f8757ec23d4a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378425/normal_5f8fcc26cce9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376850/normal_5f8f2da400779.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378608/normal_5f94bb833e709.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366047/normal_5f87042320dbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376600/normal_5f91ddb6a7525.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367656/normal_5f8aa9f23f43a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368982/normal_5f93947b80aca.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006b76.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006b76.bin)
  • https://cdn.shopify.com/s/files/1/0499/9076/2655/files/nijaterusofuvetivesa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/4694/1084/files/download_chrome_for_android_apk_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9638/1871/files/69991292163.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/75a44c41-a57a-42df-9774-55935c013eb9/53330018006.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7084e33-f810-449a-8983-6b3395930b92/cajones_de_cimentacion_definicion.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ee825e7-d331-490a-8b2b-e065a08d7be1/tutorial_isis_proteus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/2503/4148/files/twitter_rate_limit_api.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/2693/5708/files/greasy_lake_boyle.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7360/4246/files/fumunetubovesapuvesinim.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/5710/6074/files/brinley_middle_school_reviews.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/1194/7682/files/dbq_french_revolution.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4256/8875/files/9678459438.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_off00006b76.bin)

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