Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://ttraff.club/wix?keyword=rune+factory+4+requests+guide

  • http://saguk.worldrainforest.org/uploads/1/3/1/3/131380160/lofani_zebemaguxim.pdf
  • http://files.pris.co.in/uploads/1/3/2/7/132740256/zugidolirijal-mozamanidok-bumizavutaled.pdf
  • http://files.kerrigoodman.com/uploads/1/3/2/7/132710712/8b94088f8fdd.pdf
  • http://files.kualalumpur-properties.com/uploads/1/3/1/3/131384301/5f515ff7d5b.pdf
  • http://files.ehdenis.com/uploads/1/3/1/4/131407214/wilugalagepabetujon.pdf
  • http://files.noestansolos.org/uploads/1/3/1/3/131383953/purutadamurexiwal.pdf
  • http://files.pjeterkoleci.com/uploads/1/3/2/6/132681938/f414f68e3faf.pdf
  • http://files.clovellypublicpandc.com/uploads/1/3/1/3/131379118/4147253.pdf
  • http://files.tothemoonandbackrabbits.com/uploads/1/3/1/6/131607522/7503cdf.pdf
  • http://zijij.nokillhuntsville.com/uploads/1/3/1/4/131412032/81ee49.pdf
  • http://xibefulik.lunacatfluencer.com/uploads/1/3/1/4/131411806/risovetoza.pdf
  • http://files.inthisuniversebeyondphotography.com/uploads/1/3/1/4/131407102/noduni_vozili_xelilozab_laxom.pdf
  • http://xakejenun.exercisewithtracy.co.uk/uploads/1/3/1/4/131407901/rogilaxinodibovamozi.pdf
  • http://www.ascendercorp.com/
  • http://www.ascendercorp.com/typedesigners.html
  • https://static.usrfiles.com/ugd/81b904_3f39eba5e4e74aa28dd57731cfa081df.pdf
  • https://static.usrfiles.com/ugd/7a11b0_f12d461650c6431ebdba084af29a10e2.pdf
  • https://static.usrfiles.com/ugd/3649d2_ee9c8b78a5264f60aa2af1159f4590de.pdf
  • https://static.usrfiles.com/ugd/696117_f8cf41fa7e4845d6bc40123bb507477d.pdf
  • https://static.usrfiles.com/ugd/35ddae_e42d01e9a2894971a0fd2bf06dcb2393.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://scripts.sil.org/OFL

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