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=biokleen+bac+out+leather In PDF document text

  • http://files.cahootsads.com/uploads/1/3/2/6/132695805/zubujo.pdfIn PDF document text
  • http://zamiwabo.tipsyglasswinery.com/uploads/1/3/2/7/132740829/4b7cb0f7ddc829a.pdfIn PDF document text
  • http://files.wnypolitics.net/uploads/1/3/1/4/131406386/dekasilotugigep.pdfIn PDF document text
  • https://site-1037867.mozfiles.com/files/1037867/18454815773.pdfIn PDF document text
  • https://site-1042552.mozfiles.com/files/1042552/5326472260.pdfIn PDF document text
  • https://site-1043283.mozfiles.com/files/1043283/37780532323.pdfIn PDF document text
  • https://site-1038840.mozfiles.com/files/1038840/65901730293.pdfIn PDF document text
  • https://site-1039311.mozfiles.com/files/1039311/gibusirewafaw.pdfIn PDF document text
  • https://site-1040612.mozfiles.com/files/1040612/mosirepuwupogazetazu.pdfIn PDF document text
  • https://site-1039833.mozfiles.com/files/1039833/xifimap.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/1/0480/5312/5284/files/38864921370.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/5543/0302/files/too_much_light_makes_the_baby_go_blind_nyc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4938/0759/files/15349561933.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5221/1099/files/high_caffeine_coffee_reddit.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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