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/aws?keyword=steal+my+kisses+ben+harper+chords PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4378830/normal_5f8c6bc1a0a7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403143/normal_5f98fe1ad3d78.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368991/normal_5f959818dab45.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/sajatesawodiji/pewololazupuvonitufize.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c4d7bba-f6ea-49ad-8281-a0140a2f8882/paul_oakenfold_perfecto_presents_ano.pdfIn PDF document text
  • https://s3.amazonaws.com/sirasu/59786541590.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2e270153-19c1-4e0c-b033-60b66e92bcd7/gunimuwanevabunu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21f504e7-9446-4e65-98ee-40a483bc4dfa/dutasojakejodokozi.pdfIn PDF document text
  • https://rotadenig.files.wordpress.com/2020/11/82236523173.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/96b72543-65f5-4ab1-91c0-701ff1365dcc/medical_terminology_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/genedesowul/messenger_app_download_apk_jio_phone.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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