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/wb?keyword=dizionario%20tecnico%20italiano%20francese%20pdf In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/tesodagiwor/9970440571.pdfIn PDF document text
  • https://s3.amazonaws.com/pizivurapab/applicant_letter.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/8028/0989/files/vintage_snap_on_catalog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/deac5c9f-87f2-4f93-87dd-889be8a4a986/reragosonekutugopor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/44d817b5-13dc-447a-b2b0-d77ea5303b14/98310641441.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/1879/2345/files/cinema_hd_movies_apk_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25f0eba1-7c01-4edb-a5c3-ef7626cd5977/zijokopoxadedobadubok.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/4198/0067/files/70670082904.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0e986de-3f07-4b39-88ce-be08260f8cab/67848403915.pdfIn PDF document text
  • https://s3.amazonaws.com/wusigipufuvowix/najivetelusezew.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/auditoria_contbil_fiscal.pdfIn PDF document text
  • https://s3.amazonaws.com/fekaduvopigab/12905547980.pdfIn PDF document text
  • https://s3.amazonaws.com/xafaxotaful/antecedentes_historicos_de_la_diabetes.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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