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://leonvi.ru/wix?keyword=traffic+rider+mod+apk+download+apkpure PDF link annotation

  • https://duzejuwilana.weebly.com/uploads/1/3/4/8/134879611/47071.pdfIn PDF document text
  • https://cdn.sqhk.co/rixakowu/Fjchdhg/gawuxebelilemopodida.pdfIn PDF document text
  • https://cdn.sqhk.co/gimovitax/iimjac2/puronodimuxogol.pdfIn PDF document text
  • https://kevititexozasen.weebly.com/uploads/1/3/2/7/132712545/lifis_tiriweferaf_tuvikif.pdfIn PDF document text
  • https://wanalupegekiful.weebly.com/uploads/1/3/4/8/134879682/jiwagolujajiwab.pdfIn PDF document text
  • https://cdn.sqhk.co/nemovofa/kfDtCOr/bleacher_report_nba_draft_2019.pdfIn PDF document text
  • https://lawagupavuraxap.weebly.com/uploads/1/3/4/6/134616311/dadebowite-fomesiwola.pdfIn PDF document text
  • https://kasewipiliri.weebly.com/uploads/1/3/4/9/134901701/jipopujubez.pdfIn PDF document text
  • http://godezigupo.mywebcommunity.org/arthritis_research_knee_exercises.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/tokudapele/jerexezubirutawax.pdfIn PDF document text
  • https://4cf2acc4-d143-4013-a78d-f21de0873c4f.filesusr.com/ugd/e4636f_1d85a0dfa2be496ca0b07ff3401b92fe.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/napoledunadigo/vexobuwemalumotizofalabi.pdfIn PDF document text
  • https://c8d0f166-86fd-441b-8df5-aa5e6c6c7644.filesusr.com/ugd/f4b3af_7f5f5da06e734b83afd71cac67914340.pdf?index=trueIn PDF document text
  • https://98cdd5c5-c43e-49eb-9373-39517e896cbb.filesusr.com/ugd/90661f_e41f9a74663d44508b93c942a075e673.pdf?index=trueIn PDF document text
  • https://2b08c346-38d8-4763-b559-bb9d4fff2313.filesusr.com/ugd/40c9d6_2232c9c6db534ef1948f595bdc549335.pdf?index=trueIn PDF document text
  • http://dokudaruriwiv.atwebpages.com/inteligencias_mltiples_de_howard_gardner_ejemplos.pdfIn PDF document text
  • http://gamelaluwer.myartsonline.com/algorithmic_trading_software_reddit.pdfIn PDF document text
  • https://9cfe8934-cc69-4f76-a0d0-2e9849ea4530.filesusr.com/ugd/fd9558_622d3f9838b34c0d8d6acbb422843e7c.pdf?index=trueIn PDF document text
  • https://ef90beaa-bca2-431e-862c-49c19dd94618.filesusr.com/ugd/06497e_9f7bd11725614f2099108df874fceccf.pdf?index=trueIn PDF document text
  • https://e29a9437-b0a5-48a6-9afa-908397ce514a.filesusr.com/ugd/16a9c1_e9bc3f7fdff84f1b8da1a1d61a38915e.pdf?index=trueIn PDF document text
  • https://39dd5e1d-a581-41ec-a80f-9e19245c660f.filesusr.com/ugd/c2656d_4b0db99c44d34187821e71a9a05f0683.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/tometubufimopim/triangle_congruence_examples_with_answers.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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