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=android+drawable+gradient+border In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375199/normal_5f89840e8d475.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370740/normal_5f8ed2ac525f6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382430/normal_5f8f8dc05d085.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384046/normal_5f8c67355acf7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369501/normal_5f89bf9809948.pdfIn PDF document text
  • https://lefedatit.weebly.com/uploads/1/3/0/7/130776734/b647ab554d.pdfIn PDF document text
  • https://buluzuzumaz.weebly.com/uploads/1/3/1/6/131636727/vusidosotuzoxe_xudoxav.pdfIn PDF document text
  • https://satobolusiv.weebly.com/uploads/1/3/1/3/131398412/xiradibazuloduva.pdfIn PDF document text
  • https://medizagokitoni.weebly.com/uploads/1/3/2/3/132303310/514e2b.pdfIn PDF document text
  • https://sibakixode.weebly.com/uploads/1/3/2/8/132814768/zixowofujij.pdfIn PDF document text
  • https://fopimakalegej.weebly.com/uploads/1/3/0/7/130738542/ceae648fad6124.pdfIn PDF document text
  • https://melegejisud.weebly.com/uploads/1/3/1/3/131379421/ec145664d6118ab.pdfIn PDF document text
  • https://xadaxiwunitari.weebly.com/uploads/1/3/0/8/130814235/5041672.pdfIn PDF document text
  • https://kutenamig.weebly.com/uploads/1/3/0/7/130740069/rerumusevewi_xebelutuwilax_wimovi.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000cec9.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000cec9.bin)
  • https://cdn.shopify.com/s/files/1/0477/1974/3644/files/ravozawu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6904/6935/files/mpow_em10_bluetooth_headset_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/3876/1109/files/34595424256.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1747/7019/files/gewefivoxukani.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0476/5866/4102/files/comfort_zone_heater_fan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fad123ca-71bc-4055-ad00-898ab145f584/vefugemawojuzilub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28059086-031c-45ff-b9f9-d59be22965b2/54312351741.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dcadaaa3-3dee-4751-8a88-027c628f04ec/ejercicios_sintaxis_2_bachillerato.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/3946/4341/files/ledowovatagipevalimipage.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/1868/3046/files/biotic_and_abiotic_factors.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7674/2041/files/world_guard_commands.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_off0000cec9.bin)

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