Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://traffset.ru/123?keyword=sega+genesis+emulator+download+apk PDF link annotation

  • https://sizojupitad.weebly.com/uploads/1/3/4/3/134332657/7481810.pdfIn PDF document text
  • https://mevonupimiluge.weebly.com/uploads/1/3/4/5/134527198/b8b3c77e.pdfIn PDF document text
  • https://tisatazufewuvo.weebly.com/uploads/1/3/1/1/131163687/60339226.pdfIn PDF document text
  • https://vuxerapetu.weebly.com/uploads/1/3/4/5/134599288/nuvun_xofuwa.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006696.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006696.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009eda.bin)
  • https://uploads.strikinglycdn.com/files/ecb7a049-099f-4d95-9f2a-c67f223943bd/wetum.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/11656669101.pdfIn PDF document text
  • https://lowanisiluwo.files.wordpress.com/2020/11/37912207531.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9586755d-cb9c-47b0-be55-62ff27840ed3/sorurikixotumadi.pdfIn PDF document text
  • https://s3.amazonaws.com/napoledunadigo/1500052221.pdfIn PDF document text
  • https://biguwapagibu.files.wordpress.com/2020/11/fifty_shades_darker_full_movie_free_watch_online_dailymotion.pdfIn PDF document text
  • https://s3.amazonaws.com/vedexajawo/xigezewutuseralevit.pdfIn PDF document text
  • https://s3.amazonaws.com/bovenotojitowe/csgo_player_age.pdfIn PDF document text
  • https://s3.amazonaws.com/mejados/90154537864.pdfIn PDF document text
  • https://gokugilevipo.files.wordpress.com/2020/11/39682992450.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_off00006696.bin)

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