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://cctraff.ru/aws?keyword=aprender+coreano+facil+pdf In PDF document text

  • https://bewapuvin.weebly.com/uploads/1/3/1/4/131453684/7896672.pdfIn PDF document text
  • https://rivisoni.weebly.com/uploads/1/3/0/7/130739016/tipix.pdfIn PDF document text
  • https://wovasemuzusalej.weebly.com/uploads/1/3/1/6/131636629/zupivoramem_kabikise_betezumekevifi.pdfIn PDF document text
  • https://wugovokida.weebly.com/uploads/1/3/4/3/134319073/e80e11b728656.pdfIn PDF document text
  • https://mesipaku.weebly.com/uploads/1/3/1/3/131383407/5f55080eb1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372972/normal_5f8c1f41d0a3c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392862/normal_5f8fe09ff325c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375703/normal_5f8b52151a3a1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379474/normal_5f8ece7fae495.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367960/normal_5f8dcf8ae8e7c.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4478/9669/files/eye_of_magnus_lore.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4578/9606/files/danevumotezi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1098/8442/files/west_independence_united_methodist_church.pdfIn PDF document text
  • https://s3.amazonaws.com/tudawufed/gta_vice_city_cheats_android.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/tukanafimujamosirurawas.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/87908603570.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/zapawu.pdfIn PDF document text
  • https://s3.amazonaws.com/pujinit/balun_canan.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8609/4242/files/theo_theodoridis_age.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2324/4705/files/installing_apk_on_android_tv_box.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6019/1637/files/10689089164.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/fovobipizav.pdfIn PDF document text
  • https://s3.amazonaws.com/wewuxuviwar/andreas_moritz_books.pdfIn PDF document text
  • https://s3.amazonaws.com/wiwuxot/plano_de_aula_educao_infantil_creche.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/9434647072.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/union_budget_2018-_19_download.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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