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://cctraff.ru/aws?keyword=pneumatic+valve+operation+pdf In PDF document text

  • https://s3.amazonaws.com/retisovojor/sevilla_albeniz_guitar.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/29692760326.pdfIn PDF document text
  • https://s3.amazonaws.com/zufojadibi/71200351163.pdfIn PDF document text
  • https://s3.amazonaws.com/gopuze/routing_information_protocol.pdfIn PDF document text
  • https://s3.amazonaws.com/tixedujegibex/51044359144.pdfIn PDF document text
  • https://s3.amazonaws.com/viromibukoleliw/1971704990.pdfIn PDF document text
  • https://s3.amazonaws.com/gedimuta/46117566385.pdfIn PDF document text
  • https://s3.amazonaws.com/bulikowexunepov/23006680104.pdfIn PDF document text
  • https://xasuvakem.weebly.com/uploads/1/3/4/4/134400919/bigasaxujiwojip.pdfIn PDF document text
  • https://leruzifu.weebly.com/uploads/1/3/2/3/132302941/xojezexadesabab.pdfIn PDF document text
  • https://kilejotiwig.weebly.com/uploads/1/3/1/4/131406519/bf39f60ee.pdfIn PDF document text
  • https://fivilogavizizov.weebly.com/uploads/1/3/4/4/134446089/4279890.pdfIn PDF document text
  • https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/29bd6b607bd1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374364/normal_5f8e98b1a4c83.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380545/normal_5f930f5ab6d57.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372087/normal_5f8c6d392ff14.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4411931/normal_5f9539ba55f51.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006f6f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006f6f.bin)
  • https://cdn.shopify.com/s/files/1/0479/1251/7798/files/ban_vs_afg_wc_2019.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/5787/6644/files/sumigarem.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5291/9703/files/sotigerali.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7874/5756/files/my_cafe_recipes_and_stories_unlimited_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4693/6482/files/download_mortal_kombat_x_apk_obb_offline.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/3316/8552/files/roblox_application_center_uncopylocked.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_off00006f6f.bin)

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