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://crophysi.ru/123?utm_term=i+will+sing+of+my+redeemer+chords PDF link annotation

  • https://cdn.sqhk.co/kokizoxujojo/ojetrhi/3837055139.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4412758/normal_5ff7135b68092.pdfIn PDF document text
  • https://cdn.sqhk.co/lizuxutagisu/CLay3gd/42451458627.pdfIn PDF document text
  • https://rosavipufek.weebly.com/uploads/1/3/5/3/135315232/ae1657da4b1984.pdfIn PDF document text
  • https://cdn.sqhk.co/muditazu/jdhf3vw/39082662813.pdfIn PDF document text
  • http://manoligixave.66ghz.com/80677110668.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4477615/normal_5fc52a6fac1a1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4420438/normal_5fcdcb12b3075.pdfIn PDF document text
  • https://cdn.sqhk.co/gukitane/Ohd8idK/chicken_cross_the_road_jokes.pdfIn PDF document text
  • https://cdn.sqhk.co/xazewizol/XF5ihhg/all_in_one_game_offline_apkpure.pdfIn PDF document text
  • https://cdn.sqhk.co/motulobugaji/69AcyAz/cartoon_channels_on_spectrum_tv.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/navoburarovada/wuvetivax.pdfIn PDF document text
  • http://najorenowodume.epizy.com/school_injury_incident_report_form.pdfIn PDF document text
  • http://texatopewewew.epizy.com/xedumedigu.pdfIn PDF document text
  • https://s3.amazonaws.com/midaguvimabof/capture_one_pro_12_manual.pdfIn PDF document text
  • http://doroxokile.epizy.com/48671306110.pdfIn PDF document text
  • https://s3.amazonaws.com/wegugus/emoticons_facebook_gratis.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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