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://xezojetit.ru/wix?keyword=discord+mutes+all+other+audio PDF link annotation

  • http://freehookup.xyz/jaxidexawbrkm.pdfIn PDF document text
  • https://mufosuxid.weebly.com/uploads/1/3/4/0/134040625/f3929d74f30d.pdfIn PDF document text
  • http://fuvesozufinefi.medianewsonline.com/imbalanced_nutrition_care_plan_for_elderly.pdfIn PDF document text
  • http://porizaritofo.mypressonline.com/76586776762.pdfIn PDF document text
  • http://scarcebook.com/que_come_el_oso_perezoso_de_3_dedosnys8s.pdfIn PDF document text
  • http://aduo5.online/nugubimhrcmq.pdfIn PDF document text
  • http://nogurufegu.mygamesonline.org/giruxigijofuvezupinitenex.pdfIn PDF document text
  • https://donaleta.weebly.com/uploads/1/3/4/4/134481941/fozasoratesem.pdfIn PDF document text
  • http://infonewsuk.site/rixanatifonapitafaxemfwb9d.pdfIn PDF document text
  • http://f13x.xyz/infinity_gauntlet_omnibus7f83y.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/xipavir/fl_studio_mobile_free_download_filehippo.pdfIn PDF document text
  • https://s3.amazonaws.com/kujesulad/canteen_management_system_android_github.pdfIn PDF document text
  • https://s3.amazonaws.com/pobixedele/lg_an-_mr600_remote_control_manual.pdfIn PDF document text
  • http://pojozija.onlinewebshop.net/tetadawudidosek.pdfIn PDF document text
  • https://994180ce-385f-4272-9833-4a204a825e0f.filesusr.com/ugd/ec0c41_59a977088ba7446da848cbda4d3edb55.pdf?index=trueIn PDF document text
  • https://171e2b11-24ea-4535-acac-f971ec821c4b.filesusr.com/ugd/a07927_6463f52661be4072a7e6819ff396be7f.pdf?index=trueIn PDF document text
  • http://wilaroxu.atwebpages.com/humminbird_fish_finder_speed_sensor.pdfIn PDF document text
  • https://c33c3ce4-fa2f-4f19-9477-7a801b41b29e.filesusr.com/ugd/ebbcbd_25555984829644e59d55b5e61e745d4e.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/davolazupivowi/34327040375.pdfIn PDF document text
  • https://s3.amazonaws.com/mikibetiv/symmetry_art_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/tobito/instruction_guide_citizenship_canada_minor.pdfIn PDF document text
  • https://s3.amazonaws.com/lupebesu/the_master_key_system_book_in_tamil_download.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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