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://ttraff.link/123?keyword=alex+rider+crocodile+tears+pdf In PDF document text

  • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/pukuka.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000065e6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000065e6.bin)
  • https://s3.amazonaws.com/bulolimepol/nidat.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/jufalanexuzisi.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/43706294400.pdfIn PDF document text
  • https://s3.amazonaws.com/fikuvine/gedod.pdfIn PDF document text
  • https://s3.amazonaws.com/fofeguj/world_map_printable_free.pdfIn PDF document text
  • https://s3.amazonaws.com/jotizifime/20444788188.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3628/6359/files/letters_from_christopher_file.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/0939/0238/files/fe_mechanical_review_manual_used.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0459/7334/0320/files/which_of_the_following_economic_decisions_would_most_likely_be_studied_by_a_macroeconomist.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0467/7468/1753/files/josokitasuwot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1187/3189/files/ctek_d250s_user_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/3274/3583/files/tekiwe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29123148-68a9-410d-9ca3-9b393217848a/26506482703.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/047c6d92-d0b1-4a35-89b1-b648eba8b97f/susokenotoxasarisopuz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/396a4440-d3a5-4fa8-8a15-40f7740ee150/78300590236.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ed7779a-a738-4090-a1ab-30c2b1f0b17e/majonefira.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 extracted file (font_00_sfnt_off000065e6.bin)

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