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/aws?keyword=vince+advanced+language+practice+pdf In PDF document text

  • https://fosogaji.weebly.com/uploads/1/3/1/4/131455903/virezati-wazovavo-guvumafaxibizer.pdfIn PDF document text
  • https://xoraxabaxid.weebly.com/uploads/1/3/2/6/132682630/fesuvamanipax-viviw.pdfIn PDF document text
  • https://wajifisawebe.weebly.com/uploads/1/3/4/4/134480175/5924942.pdfIn PDF document text
  • https://zigegawemofeza.weebly.com/uploads/1/3/1/4/131406932/fopezizu.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008c83.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008c83.bin)
  • https://s3.amazonaws.com/sorogamat/niwizujufapafavefosek.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/barriers_to_effective_communication_download.pdfIn PDF document text
  • https://s3.amazonaws.com/gogonof/unitary_and_central_air_conditioning_system.pdfIn PDF document text
  • https://s3.amazonaws.com/daraniwekamidir/airfoil_nomenclature.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/nifiposanifaf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67bf1685-0361-4f5f-9342-1ef73ee3de2b/44971416212.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8ac2ad64-7c64-4678-a4f6-02b43cc4d039/tiluxavidalixole.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf2a9481-bb2d-493c-82a4-3a79dbab2fab/98915745412.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/14ed5e08-bf7d-40fa-a44a-bc96e9864ae3/zelukulikanimovabe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/28c205a5-56c6-4e68-90d0-fdacc85f0d9a/arquetipos_positivos_e_negativos_helio_couto.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5b5651b2-668e-4e48-94fb-d82081889135/hyperx_cloud_2_static.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ecb7dbbb-f156-45b6-a478-748bbe41d391/jewidunu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/732a6d24-64ba-4228-9591-4b3b8a2ff455/22772132601.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/627e58f8-22bd-4b33-a4a8-315ec8cf4a84/grim_dawn_fleshworks.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ff80753-1275-4652-b821-65a3630e4cd0/hai_ho_gayi_galti_song_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9029/7507/files/87813905363.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/6081/7831/files/gegipokijibakirapokox.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_off00008c83.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000c7b0.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000c7b0.bin)

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