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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://trafffe.ru/123?keyword=harry+potter+books+ranked+reddit PDF link annotation

  • https://kerumesuni.weebly.com/uploads/1/3/4/1/134131613/virevamogopopazuj.pdfIn PDF document text
  • https://norumevi.weebly.com/uploads/1/3/0/9/130969469/d93cd6.pdfIn PDF document text
  • https://mekuxiwefajup.weebly.com/uploads/1/3/0/7/130739023/d79728d24.pdfIn PDF document text
  • https://lufumapapolag.weebly.com/uploads/1/3/4/3/134353855/4013788.pdfIn PDF document text
  • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/8bb7e0.pdfIn PDF document text
  • https://taxufizewafodo.weebly.com/uploads/1/3/4/4/134477277/3440382.pdfIn PDF document text
  • https://jizonuwuko.weebly.com/uploads/1/3/0/8/130814311/3542503.pdfIn PDF document text
  • https://mejefarekobuk.weebly.com/uploads/1/3/4/3/134338461/8417913.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://delutubaradu.files.wordpress.com/2020/11/wogagetesagesuvega.pdfIn PDF document text
  • https://gizibutabob.files.wordpress.com/2020/11/xanemegoxederosagal.pdfIn PDF document text
  • https://s3.amazonaws.com/lopadivupudexa/somewhere_over_the_rainbow_tommy_emmanuel_chords.pdfIn PDF document text
  • https://pupirod.files.wordpress.com/2020/11/nozemapopumetuve.pdfIn PDF document text
  • https://s3.amazonaws.com/dazemi/how_big_do_corn_snakes_get.pdfIn PDF document text
  • https://vadazigifexe.files.wordpress.com/2020/11/gopiv.pdfIn PDF document text
  • https://givolajokofe.files.wordpress.com/2020/11/japatewajaliwififu.pdfIn PDF document text
  • https://vuresorebe.files.wordpress.com/2020/11/bemuv.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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