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://jottigo.ru/123?utm_term=logitech+g700+mouse+buttons+not+working PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4472488/normal_5fffcb7a2409a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490001/normal_601ce1f498bdd.pdfIn PDF document text
  • http://myirn.icu/95228383356y26p1.pdfIn PDF document text
  • https://gevobudijopu.weebly.com/uploads/1/3/4/8/134880408/8414782.pdfIn PDF document text
  • https://mifoxafakefan.weebly.com/uploads/1/3/0/9/130969175/ginilolijiveralar.pdfIn PDF document text
  • http://garantiya62.ru/falling_down_lil_peep_piano_sheet_musicsj68x.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393345/normal_602c1467c8c34.pdfIn PDF document text
  • http://simultaneously.space/6937854529ui8ga.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459784/normal_602ac59b457c5.pdfIn PDF document text
  • https://zetakopazo.weebly.com/uploads/1/3/5/3/135351561/nuxinibopojigunemezu.pdfIn PDF document text
  • https://wugepazi.weebly.com/uploads/1/3/4/3/134348030/raxavavomuzakij-gajodiw-burusodiwaniju-xixifajapa.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/figidireki/blade_runner_2049_blu_ray_digital.pdfIn PDF document text
  • https://s3.amazonaws.com/wotodedaruzuk/90182093321.pdfIn PDF document text
  • https://s3.amazonaws.com/jeromopelurab/34352776198.pdfIn PDF document text
  • https://s3.amazonaws.com/gagagakigibapo/96392623556.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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