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://ggtraff.ru/pify?keyword=ti-nspire+cx+cas+calculator+manual In PDF document text

  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/kovesulowapo-tapufovus.pdfIn PDF document text
  • https://sesuwulot.weebly.com/uploads/1/3/1/4/131438847/kurufe_devomikata.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366003/normal_5f8702ebbaa4a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365661/normal_5f874e15cfce0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365539/normal_5f874c6b73143.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_5f8710f5d6ba9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368745/normal_5f8882a52b4e2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366358/normal_5f873069157c2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f879c70489e6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f870456cce82.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/1/0432/4222/5831/files/super_smash_bros_ultimate_unblocked_games_66.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0780/3029/files/android_car_stereo_fm_radio_app.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8589/8938/files/78018405466.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/6332/6358/files/gta_4_gobble_gobble_achievement_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c4538498-b6ff-4a92-96dc-f161cd208f1b/lupupafisamalawopivabub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97191d05-d82e-4c3f-8bd9-8599aa59ba23/16861760307.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0652/8152/files/vlc_apk_for_pc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3239/5423/files/skyrim_se_modding_guide_nexus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5328/0153/files/wotuvifazikavagiz.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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