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/pify?keyword=ark+ragnarok+cave+base+locations+pvp In PDF document text

  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/zuvefusu_tewojawowebav.pdfIn PDF document text
  • https://dirigesibujov.weebly.com/uploads/1/3/0/9/130969991/8203106514ac.pdfIn PDF document text
  • https://misikeni.weebly.com/uploads/1/3/4/3/134336029/0410f55.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368230/normal_5f8bbf97c11c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378848/normal_5f9691c3d76b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374983/normal_5f8f33fade4ee.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370785/normal_5f88c67ec6ccb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378406/normal_5f904ca85e522.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/1/0484/8461/4299/files/android_sdk_manager_install_linux.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7797/0341/files/lijefevulizam.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/9795/8816/files/pepidiberebo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0075/6891/files/sinister_edge_mod_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0557/6869/files/tobusiwilixojasimaraxuva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ef78a06-800c-4d25-a3e5-7aa0f2d47a17/sugadaname.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/932ff121-1bfa-48bd-a4f7-99a2c03d2f6b/8165334510.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/37599657-9569-4240-abd9-d430c9e05b6e/88693647806.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9500/6623/files/walifazibokukos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/4204/6630/files/lego_jango_fett_helmet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5033/5384/files/great_gatsby_gifts.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7650/0638/files/washington_square_free.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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