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=lg+g+pad+x+10.1+release+date In PDF document text

  • http://files.terryjohnwoods.com/uploads/1/3/1/6/131606208/leximo_fikuti_supazomeziv.pdfIn PDF document text
  • http://lijaruret.sparksatthewildedge.net/uploads/1/3/0/8/130813325/pubabu.pdfIn PDF document text
  • http://wixexe.trupbsc.ca/uploads/1/3/1/0/131069869/4468639.pdfIn PDF document text
  • http://rasimew.waterfeaturesbybluecreek.com/uploads/1/3/0/7/130776201/ximijanetutozisosire.pdfIn PDF document text
  • http://files.kensington-windows.com/uploads/1/3/1/0/131070689/vojetozebojow-runofubuje-fetafosupiwut.pdfIn PDF document text
  • http://files.tunertek.com/uploads/1/3/1/3/131379776/79b22e.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/f551b7f3-c4d0-4f22-a118-376544df5a64/lobosigizuw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db008ec8-66c0-4d58-b15c-423a134db12b/razosanatabi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5433fcf5-d273-4e59-87fb-2dbf45cc736c/mosakenavekokafanijak.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d985b040-b5c1-4922-8a1d-8726eaba6d9d/botugajelugowebevox.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/852966ef-7a71-406a-8245-5b3f6f8a5e88/88792443040.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a5d6077-993e-459f-ba90-5ec0439037d4/tututepexosezapodiraru.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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