Malicious PDF — malware analysis report

Static analysis result for SHA-256 79323c602c867f9d…

MALICIOUS

PDF

75.5 KB Created: 2022-04-24 10:36:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 58857bad39f5e715675a5af128662f15 SHA-1: 121574e24bf0aae8b7018e1b2af4da42909f0cd9 SHA-256: 79323c602c867f9d35d2c34813f46f004adfcd9ce4bf37a8e7aa8ebb7dd7d135
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

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://yoyep.co.za/YmrXLWy8?keyword=mit%20google%20maps%20quadratmeter%20messen PDF link annotation
    • https://ronikirene.weebly.com/uploads/1/3/5/3/135393313/gesozuxejupakeb_xasaji_rusagejib_bopawun.pdfIn PDF document text
    • https://gaxasexafarud.weebly.com/uploads/1/3/4/5/134590452/vewiwak-dudubisuve.pdfIn PDF document text
    • https://fuxedadexebabu.weebly.com/uploads/1/4/1/4/141493206/josagawexazasijire.pdfIn PDF document text
    • http://styrexon.cz/userfiles/file/farutixategugin.pdfIn PDF document text
    • https://hyundainhapkhau.vn/upload/files/41339719165.pdfIn PDF document text
    • https://fifusikusivupe.weebly.com/uploads/1/3/4/6/134638905/zozofokudenusi.pdfIn PDF document text
    • https://womevelem.weebly.com/uploads/1/3/2/8/132814223/388bd8f.pdfIn PDF document text
    • https://pesurejipani.weebly.com/uploads/1/3/4/2/134234892/261f764972.pdfIn PDF document text
    • https://buluzuzumaz.weebly.com/uploads/1/3/1/6/131636727/vupumeriri-mobetixosiki.pdfIn PDF document text
    • http://ambulans24h.pl/userfiles/file/63821557785.pdfIn PDF document text
    • https://cardion.dk/gfx/fckimages/file/nigazunodinigoxuxorit.pdfIn PDF document text
    • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/b927c190788846d7c553224a9cbe4067/89169707074.pdfIn PDF document text
    • https://rigepapesoruzu.weebly.com/uploads/1/3/4/5/134519565/rexukok.pdfIn PDF document text
    • https://kufudazasa.weebly.com/uploads/1/3/4/6/134626120/e34374897.pdfIn PDF document text
    • https://viwoxewadekam.weebly.com/uploads/1/3/4/0/134016770/2c08e20d.pdfIn PDF document text
    • http://anthonyvienna.com/sites/default/files/file/pikunedurutosa.pdfIn PDF document text
    • https://wugeneziwepuzi.weebly.com/uploads/1/3/4/4/134494794/8cab2d2edc.pdfIn PDF document text
    • https://wesaxewotivaf.weebly.com/uploads/1/3/4/5/134578523/gamasud_puzegi.pdfIn PDF document text
    • https://gorejorifal.weebly.com/uploads/1/3/4/8/134888975/vapojusajeveti_poderebawisibi_wewanuru.pdfIn PDF document text
    • http://vln.nl/files/file/4383212842.pdfIn PDF document text
    • https://xonatusapu.weebly.com/uploads/1/3/5/3/135391421/vowozomerafafazijila.pdfIn PDF document text
    • https://nonibebufixaz.weebly.com/uploads/1/3/2/6/132682934/ripefa-nuwini-ratigudo.pdfIn PDF document text
    • http://bukitjaya88.com/kcfinder/upload/files/28035043507.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 PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c001.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC001 18272 bytes
SHA-256: 899e787ee59ebb145a0bcb9b627f876db5d1a2c55cd44ee540e3f2b5579506bb
font_01_sfnt_off0000ee1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE1D 10976 bytes
SHA-256: fb48cb578fefe1a29d7c584b2bfb968d12e928a6c5b593503aa9b2baf81d7b83
font_02_sfnt_off00010707.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10707 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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