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/aws?keyword=cerebral+palsy+physiotherapy+exercises+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369909/normal_5f895a6b0d771.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373987/normal_5f8f02f85a173.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387243/normal_5f91e7e03b72c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377114/normal_5f8f6ae89ce99.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376866/normal_5f8d0bd204bc5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405181/normal_5f92491898bb1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375355/normal_5f906879c0f01.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389571/normal_5f8dfb8c96992.pdfIn PDF document text
  • https://gomemetunugup.weebly.com/uploads/1/3/2/7/132712315/5434503.pdfIn PDF document text
  • https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/fbe3d7a430.pdfIn PDF document text
  • https://mutazodot.weebly.com/uploads/1/3/0/8/130874237/864357.pdfIn PDF document text
  • https://nitiruminaxodax.weebly.com/uploads/1/3/0/7/130738633/3818940.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00009111.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00009111.bin)
  • https://s3.amazonaws.com/tabobujimo/2019_radiology_cpt_codes_diagnostic_centers_of_america.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/15510654258.pdfIn PDF document text
  • https://s3.amazonaws.com/jakujakula/63226428472.pdfIn PDF document text
  • https://s3.amazonaws.com/midaguvimabof/manorama_calendar_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/lefemijip/cursive_alphabet_template.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/adjetivos_comparativos_en_ingles_lista.pdfIn PDF document text
  • https://s3.amazonaws.com/bawalidamovidud/apgar_familiar_actualizado.pdfIn PDF document text
  • https://s3.amazonaws.com/bojafazes/weight_loss_gym_workout_plan.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8494/6850/files/wewofodixawebitejirotot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7795/2186/files/nodogir.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/0679/4651/files/48009430387.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9664/4016/files/giant_tcr_advanced_2020_size_guide.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_off00009111.bin)

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