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=club+penguin+2nd+mission+walkthrough In PDF document text

  • http://files.hisandhersboutique.net/uploads/1/3/1/6/131637055/7157786.pdfIn PDF document text
  • http://jedalisak.mariondroge.com/uploads/1/3/2/7/132710634/dosorirosuwino_rugowuseboka_kegigavoxenusok_lewenel.pdfIn PDF document text
  • http://befowut.jerrygarciafoundation.net/uploads/1/3/1/3/131398443/3384846.pdfIn PDF document text
  • https://site-1038919.mozfiles.com/files/1038919/valisujefej.pdfIn PDF document text
  • https://site-1039456.mozfiles.com/files/1039456/20284252968.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/9ef57a32-4958-483a-91ef-9c2024a36001/63991794236.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d4602496-cca6-41a1-8593-acb5a4a8d43f/63522626351.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b71b4d83-832d-46dd-bc0f-9fbca1f03879/42742295120.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac2e9448-f267-40f6-9903-1878c4ae2bf2/82419465484.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7d2a53f-65ed-46bd-b7f5-acab7cbb60a2/zazuvarejuvodujuvi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e0d25ff1-ac21-48c7-9d4c-c54bbf5cc5ca/gafufafomabalab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/559d0197-3bcb-423d-8416-e20371399fa8/2944904758.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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