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=mutually+exclusive+outcomes+worksheet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4418985/normal_5f99871a73e0a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f8740f2992df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366660/normal_5f89f8abd2a41.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006526.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006526.bin)
  • https://uploads.strikinglycdn.com/files/9766a14d-9a4b-42e3-aaa7-cfd52fa35f71/how_to_download_minecraft_maps_on_ps.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f2ee903-f01f-4787-85c1-ed631e970627/zafukotaziwubulakog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f103c69-ec19-4242-a56d-dac11249e4ce/crash_bandicoot_3_ps4_gems_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/74eef46b-47d2-456d-9381-0301a4269d51/lifavedofavajobalopo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6ca2497f-d257-4635-94df-7ffb241bceda/living_language_japanese_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5328/4008/files/farming_simulator_18_revdl_com_mod_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/5699/5745/files/torsion_bar_lift_dodge_ram_1500.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7115/0496/files/mixox.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3165/3273/files/total_conquest_mod_apk_download_android_1.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/6843/9707/files/pedusuzif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7675988-e98f-40a5-836d-3bae52619666/t_junction_factorio.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9577e4d1-ba39-4677-b36b-57045ebbfa45/83219372418.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de9fa260-c436-4a92-b9a8-88698240efa6/free_manuscript_paper.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5795/4464/files/28883703644.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8464dd2-914e-4a8a-9ba9-bc475e3bfa50/22032081977.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_off00006526.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00009d23.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00009d23.bin)

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