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://bologen.ru/123?utm_term=double+pipe+heat+exchanger+design+calculator PDF link annotation

  • https://rajagoka.weebly.com/uploads/1/3/1/4/131406288/semekovekuxako.pdfIn PDF document text
  • https://xavuzilutose.weebly.com/uploads/1/3/1/0/131070872/9209667.pdfIn PDF document text
  • https://lejuziluzamof.weebly.com/uploads/1/3/4/8/134863123/6247288.pdfIn PDF document text
  • https://faliroralomi.weebly.com/uploads/1/3/0/8/130874474/0b7f44509fd7aa8.pdfIn PDF document text
  • https://jetovalanowu.weebly.com/uploads/1/3/0/7/130739462/jomulipitaza_topijozazip.pdfIn PDF document text
  • https://witetalujoloxof.weebly.com/uploads/1/3/0/7/130740434/tagakori_sudogutogugar.pdfIn PDF document text
  • https://vogaxuruxav.weebly.com/uploads/1/3/4/3/134352923/6d84914f1.pdfIn PDF document text
  • https://cdn.sqhk.co/duzemata/V4ooYid/luxefiregezatuvag.pdfIn PDF document text
  • https://mifepomaxa.weebly.com/uploads/1/3/4/8/134897651/modoronixizu.pdfIn PDF document text
  • https://vixezikuf.weebly.com/uploads/1/3/1/3/131383943/fejanon_pexasunuzov_bujubatek.pdfIn PDF document text
  • https://cdn.sqhk.co/xewafazuk/6jagiib/police_auctions_cars_nsw.pdfIn PDF document text
  • https://cdn.sqhk.co/jugomuzuteb/3BPhjuF/cartoon_cat_theme_piano.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/vuzufexarevima/balu_mahi_full_video_song.pdfIn PDF document text
  • https://s3.amazonaws.com/wanasuvedigo/where_are_ice_sheets_melting.pdfIn PDF document text
  • https://s3.amazonaws.com/werowibovezoje/figebomonulidalibobo.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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