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/strik?keyword=allen+bradley+inverter+pdf In PDF document text

  • http://files.mcmillansofmalton.co.uk/uploads/1/3/1/0/131071019/9365587.pdfIn PDF document text
  • http://fonoxez.vocations-sagesse.org/uploads/1/3/1/6/131637131/7575326.pdfIn PDF document text
  • http://files.bringingbackholleywood.com/uploads/1/3/1/3/131378779/nasobanemime.pdfIn PDF document text
  • http://www.opentle.orgIn extracted file (stream_005_off000076c0.bin)
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000652d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000652d.bin)
  • https://uploads.strikinglycdn.com/files/4df11182-5d68-4b0c-8d91-c87d872a74ff/fozubamelisasa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7cb0bca-3efe-4b9e-bd54-ca68dbc00dbc/94967947925.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b583d8e-f9ac-4eb3-b86a-7ab86b4a5347/gowafive.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e096d63-5f86-4ec7-96e5-db9abd854e3b/furusuxagosexixepav.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/5908/1123/files/55254571854.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7bcdf85-136c-4bed-918e-7bfae91fa8d9/16324377142.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62f8b75f-d752-4733-a7b8-f9b2cc421a9b/82935422394.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://www.gnu.org/licenses/gpl.htmlIn extracted file (stream_005_off000076c0.bin)
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off0000652d.bin)

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