Malicious PDF — malware analysis report

Static analysis result for SHA-256 9adad77dc9c535ca…

MALICIOUS

PDF

77.5 KB Created: 2022-04-12 12:36:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-20
MD5: d193caaa49c7b4c313d3929c4a06c307 SHA-1: 23848b196bb59a232c91e348640b9fa876879691 SHA-256: 9adad77dc9c535ca4982627737ccd24be67cc7ceff021b119a667143a0a37e53
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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://norin.co.za/YmrXLWy8?keyword=columbus%20blue%20jackets%20head%20coach%20salary PDF link annotation
    • http://heatexchangersolution.com/upload_fck/file/2022-3-20/20220320041857679853.pdfIn PDF document text
    • http://journalstudiesanthropology.ro/adm/jsq/kcfinder/upload/files/kuzefevizojezuf.pdfIn PDF document text
    • https://wufipalowev.weebly.com/uploads/1/3/4/5/134595621/nudoxaxedasoxuw_fizenobififez.pdfIn PDF document text
    • http://ingmarcofaedi.com/userfiles/files/24666254340.pdfIn PDF document text
    • https://kokexofagisukop.weebly.com/uploads/1/3/2/7/132710589/5895162.pdfIn PDF document text
    • https://xezuwipo.weebly.com/uploads/1/4/1/2/141231674/kejetew.pdfIn PDF document text
    • https://nugemezan.weebly.com/uploads/1/3/4/3/134359438/xitakilibabex.pdfIn PDF document text
    • https://zakazorexan.weebly.com/uploads/1/3/1/4/131407051/7a4fac42769f5cd.pdfIn PDF document text
    • https://kijapadawoli.weebly.com/uploads/1/3/4/9/134900431/9288307.pdfIn PDF document text
    • http://curry-box-deluxe.de/userfiles/file/13267727192.pdfIn PDF document text
    • http://charolais-hessen.de/write/userfiles/file/koxerejegu.pdfIn PDF document text
    • https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/6475432992.pdfIn PDF document text
    • https://rugakimi.weebly.com/uploads/1/3/5/3/135323030/1019794.pdfIn PDF document text
    • https://kogijusixi.weebly.com/uploads/1/3/5/3/135312463/tegijeraxila.pdfIn PDF document text
    • https://tunupufimudodo.weebly.com/uploads/1/3/4/3/134324073/5986226.pdfIn PDF document text
    • https://kagadema.weebly.com/uploads/1/3/4/4/134456650/kitalobo.pdfIn PDF document text
    • https://regifedemez.weebly.com/uploads/1/3/1/4/131406591/632ee769e2c1ff5.pdfIn PDF document text
    • https://vufepuxo.weebly.com/uploads/1/3/4/5/134522835/6281875.pdfIn PDF document text
    • https://giwegedunidex.weebly.com/uploads/1/3/4/7/134701534/nojizijow.pdfIn PDF document text
    • https://pesadosopovito.weebly.com/uploads/1/3/4/2/134235692/171367.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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off0000c776.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c776.bin)

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c776.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC776 11044 bytes
SHA-256: d3441d3ad649f5075f0f4b2b056f38bec28d904e15f4c03495972ea38dd4b6a7
font_01_sfnt_off0000e14f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE14F 17580 bytes
SHA-256: 173b37f1df98119b61b26cb8f0f3abe3c6a47ae9ca4b771689fefccfde64e22f
font_02_sfnt_off00010f5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F5E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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