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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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/award?keyword=barron+s+sat+29th+edition+answer+key+pdf PDF link annotation

  • https://dezegumi.weebly.com/uploads/1/3/4/1/134108828/865d7.pdfIn PDF document text
  • https://cdn.sqhk.co/gabixeme/gfehjmP/84369403412.pdfIn PDF document text
  • https://lekopejener.weebly.com/uploads/1/3/5/3/135323345/muxigexiwus-tisevufu-fedavuvo.pdfIn PDF document text
  • https://cdn.sqhk.co/mewobonovagi/jeDEicT/whip_ringtone_big_bang_theory.pdfIn PDF document text
  • https://cdn.sqhk.co/pimibopugugo/ia0DjbR/buwowimafuvuxuxumo.pdfIn PDF document text
  • https://cdn.sqhk.co/vogoxaginoje/jggdV1h/zozubosudij.pdfIn PDF document text
  • https://cdn.sqhk.co/tororukiwuri/ipiePOW/fireboy_and_watergirl_light_temple_3.pdfIn PDF document text
  • https://cdn.sqhk.co/wajewukudino/d6idjdt/primark_light_up_christmas_jumpers_2019.pdfIn PDF document text
  • https://nozodipipagim.weebly.com/uploads/1/3/1/4/131438171/95f4a779b3c1.pdfIn PDF document text
  • https://cdn.sqhk.co/nisugewameru/fjg6Cig/77311267904.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_caf7872c56f84a6da197d231f8ddfcf7.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/xufaxoferugod/breville_instant_cappuccino_maker_vcf011_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/salade/nokaxo.pdfIn PDF document text
  • https://6f4861c6-cdf0-4a5f-ba2d-f9c5e5bfbee6.filesusr.com/ugd/77941b_6c39ae9d5ddf46e69c4320de8c62ac2f.pdf?index=trueIn PDF document text
  • https://09ec9d85-9312-4337-94d0-b84080e05f2e.filesusr.com/ugd/ac0094_695a369d6eab4826ac61abda6b8d3cb7.pdf?index=trueIn PDF document text
  • https://4c2674ec-1430-4cec-a455-d6a35d10586e.filesusr.com/ugd/38955b_51c8ef92942349b0be7c05132224cf34.pdf?index=trueIn PDF document text
  • https://8cff94d3-ecab-4ea5-ad27-d3e67d02fd32.filesusr.com/ugd/2813e2_1f25a3b5a41c4fe296ef15577338c2fa.pdf?index=trueIn PDF document text
  • https://709e7e89-b264-4d73-b757-064736ed86f1.filesusr.com/ugd/f523c3_34e2288e814d4e05971bb06246219d40.pdf?index=trueIn PDF document text
  • https://7fad2989-91b8-457c-89bc-9a0e7aeef19f.filesusr.com/ugd/b03ff3_42cf00e8a795434786ef9cd4f4c33b4f.pdf?index=trueIn PDF document text
  • https://48bf584d-d56c-45cf-b4f3-c1c05dce5274.filesusr.com/ugd/3f4b99_dee98fc5deef4d149c96625ecf0832f8.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dipafuxe/best_chess_opening_for_beginners_black.pdfIn PDF document text
  • https://694dae7a-2033-4a59-8b06-91ff4eec0774.filesusr.com/ugd/e1d58f_45131e84cfc84e2687ddf1cfe3d2725f.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/vefagotoje/savumujot.pdfIn PDF document text
  • https://7031c68c-cf47-488c-b9bd-b344696616f5.filesusr.com/ugd/51e9e9_55d5b60978e94e9e91c5102713f53be0.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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