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.me/123?keyword=app+per+video+offline+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366035/normal_5f8780ddcfb79.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366343/normal_5f8c13dd485ef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366336/normal_5f8b9de893996.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366388/normal_5f8718050e3a7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368468/normal_5f8874b090a82.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366031/normal_5f87363f334fa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366653/normal_5f87b27aa4e1d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/9669/7768/files/642_tiny_things_to_draw_journal.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/9438/9151/files/introduction_to_stata_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9094/3381/files/salem_nh_high_school.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5738/8440/files/ragnarok_revo_classic_wizard_leveling_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0809/7944/files/62045637566.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0623/2229/files/kuwegimis.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9287/5695/files/game_keren_android_ukuran_besar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0204/2789/files/sierra_wireless_mp70_configuration_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3357/5075/files/83907920316.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/7534/6847/files/real_bike_racing_game_mod_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/0952/1317/files/fulton_county_calendar_18-19.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/8494/6850/files/pr_vademecum_colombia.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 PDF document text

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