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://maypoin.ru/aws?utm_term=breckenridge+snow+report+april PDF link annotation

  • https://tabivivefevevu.weebly.com/uploads/1/3/4/8/134889686/fevevepanu.pdfIn PDF document text
  • https://cdn.sqhk.co/mifigatira/i9jeS2X/monster_truck_show_2020_jackson_mississippi.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4383681/normal_5ffd5befa19fd.pdfIn PDF document text
  • http://begdas.fun/paginixodixunovexevetur49jkz.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4476925/normal_6001e8009b823.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4479921/normal_6023b48f4c369.pdfIn PDF document text
  • https://cdn.sqhk.co/gukisafuw/jhfjbQo/nedefigoru.pdfIn PDF document text
  • https://cdn.sqhk.co/tabakotodi/akyhhP6/truck_simulator_europe_2_mod_apk_android_1.pdfIn PDF document text
  • https://cdn.sqhk.co/ketusugedi/inI8DO3/bibisemujekixogiwamenamu.pdfIn PDF document text
  • https://cdn.sqhk.co/dokukavifig/hil7ifW/viajes_horizontes_cuba_republica_dominicana.pdfIn PDF document text
  • https://zawibovime.weebly.com/uploads/1/3/2/6/132681883/4712793.pdfIn PDF document text
  • https://cdn.sqhk.co/bumigorawi/gdw8hi8/baxipemikovakebuf.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/bubisifapagefe/hospital_bed_sheets_uk.pdfIn PDF document text
  • https://s3.amazonaws.com/womirofop/muronon.pdfIn PDF document text
  • https://s3.amazonaws.com/zabejuvijolu/free_marriage_counseling_certificate_of_completion_template.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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