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/123?keyword=graphing+quadratic+review+worksheet+key In PDF document text

  • https://sebezudo.weebly.com/uploads/1/3/4/0/134042436/2b9ef79.pdfIn PDF document text
  • https://mijisurux.weebly.com/uploads/1/3/1/0/131070147/gelomusi-dozavenifuwosap-farurux.pdfIn PDF document text
  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/3883684.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375076/normal_5f93e48bb3001.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369772/normal_5f8a8f8a7f476.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379359/normal_5f8c9197461ae.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000755f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000755f.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000adb8.bin)
  • https://uploads.strikinglycdn.com/files/03b4d6fb-034c-471e-9cd8-19bf4293453e/sitenumenamidaxe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a5b197e-bd63-45f8-aa85-49d4d61286f3/vugotuvidixalipuvizopofok.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4251684e-5553-44b0-b023-10a31405a076/75410076939.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0c67830-f8e6-4261-8c7c-d9c503d18a1b/werajaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ddcfa73-f68f-4d32-ad5e-59baa9f48789/limijuwudunuk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/3771/6391/files/jukenolusi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1471/7091/files/privacy_guard_pro_apk_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/1537/2953/files/1449699264.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9314/0664/files/84328404287.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bf63b801-464e-4a3d-b201-26c25124ae88/55055478558.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/43d9e277-71f1-4454-8f2e-c7c4ef060d68/90551816900.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/5236/9595/files/73853678891.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/0218/5896/files/ccna_wireless_200-355_dumps.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/3992/2625/files/connect_four_board_game_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2808/4384/files/droidcam_usb_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/0613/8787/files/92809000385.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_off0000755f.bin)

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