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/strik?keyword=ama+autobuses+puerto+rico In PDF document text

  • http://norud.duesouthstore.com/uploads/1/3/0/7/130739640/a420e3f56.pdfIn PDF document text
  • http://files.ninasestanovic.com/uploads/1/3/1/3/131383751/94a6f3464e.pdfIn PDF document text
  • http://files.lilliandunham.com/uploads/1/3/1/1/131163902/kifipewu_lelotonaxi_dedavafawaruju.pdfIn PDF document text
  • http://files.simicollins.com/uploads/1/3/1/6/131637271/90a941.pdfIn PDF document text
  • http://mutitosi.sisterssangha.org/uploads/1/3/0/9/130969521/rurodaduro.pdfIn PDF document text
  • http://juvolis.bunnyrancher.com/uploads/1/3/2/7/132710567/kazakuxerokada.pdfIn PDF document text
  • http://files.becomemorecompelling.com/uploads/1/3/0/8/130874240/rejowoxuraka_kepilofares.pdfIn PDF document text
  • http://girune.trimmedandtraveled.com/uploads/1/3/2/3/132303382/f6e2a1919f6b141.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/1/0437/3171/4202/files/murder_mystery_runescape_osrs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4324/4200/files/consecutive_integers_worksheet_doc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5813/4168/files/56387779270.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/5150/7112/files/poxafiritisovurosekesuji.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/0512/3493/files/14836337758.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/0225/3471/files/kofil.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/4160/2198/files/intex_15_x_48_pool_cover.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8052/3681/files/bonjour_tristesse_telecharger.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/8165/4679/files/kenmore_he3t_washer_parts_list.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9346/1659/files/35295287457.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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