Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• 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://jumiwimov.ru/123?utm_term=i+write+sins+not+tragedies+piano+sheet PDF link annotation

  • https://tovamegudisolos.weebly.com/uploads/1/3/1/4/131411857/jizamusipas-safun-bomogavapidorom-sedikuwi.pdfIn PDF document text
  • http://subfamjtii.site/lafikunutofolavelazixuwde4it.pdfIn PDF document text
  • http://questotzvezd.space/firepower_4100_hardware_installation_guidejaoyq.pdfIn PDF document text
  • http://feedbacrnz.space/17019978346knjcz.pdfIn PDF document text
  • https://takadoturig.weebly.com/uploads/1/3/4/1/134108809/rarit.pdfIn PDF document text
  • http://3gusevshop.website/the_bugs_bunny_road_runner_movie_endingp4gce.pdfIn PDF document text
  • http://securityofusersdevicesonline.site/15360526735bet6z.pdfIn PDF document text
  • http://republvinb.fun/how_much_oil_does_an_onan_5500_generator_takes0be0.pdfIn PDF document text
  • https://tisivuvuzudopur.weebly.com/uploads/1/3/0/7/130738638/6e66ca80ef.pdfIn PDF document text
  • http://fitdieta.com/47848793407kr5si.pdfIn PDF document text
  • http://uose.xyz/rodixagomuxajiporijejimrf1sx.pdfIn PDF document text
  • http://abwaab.su/zakigewobozepczmc7.pdfIn PDF document text
  • http://atelier-spb.com/istikhara_dua_with_bangla_meaningw2h32.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://77483064-5892-4b52-b419-66e751946b77.filesusr.com/ugd/ef7b09_f510eb220d634d4b92727a16b27820b5.pdf?index=trueIn PDF document text
  • https://9e77dbea-16d6-438e-9859-4a68c5388828.filesusr.com/ugd/3225da_55650e874aae4f94bd0f344aa29a422a.pdf?index=trueIn PDF document text
  • https://9ebe8999-295a-4f11-87dc-c96f3e1b46ff.filesusr.com/ugd/8de238_38519708f274490c9249697541831464.pdf?index=trueIn PDF document text
  • https://68358877-4ee6-4e53-94f7-4bd9665c1f53.filesusr.com/ugd/3bbd68_a63bce8cef2243c0bf6b11119187c703.pdf?index=trueIn PDF document text
  • https://8dfdba76-182f-4dc4-9dda-37a8c8d09dc9.filesusr.com/ugd/4ae4db_de1f0c60c5d84b259df97790f8f77838.pdf?index=trueIn PDF document text
  • https://a91873a8-1f5b-4151-915d-af39eb211f25.filesusr.com/ugd/3f80ec_f2f88c42016b4a5b8bc6394f5a3dfc3d.pdf?index=trueIn PDF document text
  • https://a121017b-3fb3-450c-9156-48dd71a9bf80.filesusr.com/ugd/07625c_32f6e37b79bc4a19a07c22d444de0e84.pdf?index=trueIn PDF document text
  • https://7f793f8f-877f-420e-851b-8bae9ea62a4d.filesusr.com/ugd/78c764_48fdbd8fa63b4a6b8c4a4f75efa8005d.pdf?index=trueIn 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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