Malicious PDF — malware analysis report

Static analysis result for SHA-256 ff2071751d0e28dd…

MALICIOUS

PDF

71.9 KB Created: 2022-04-08 12:34:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-14
MD5: f9cf18eac6296f343b7e83ce5f8def12 SHA-1: 84d99bfc4f48a77bad6c9d029ac50681149a0569 SHA-256: ff2071751d0e28ddb2bc14db10de753180c52f9cb0546691949281c2fd760cf6
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

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://kawiduvezefej.weebly.com/uploads/1/4/1/2/141231639/pajorakekenepiz.pdf In PDF document text
    • https://winokagadav.weebly.com/uploads/1/3/2/7/132740598/6974005.pdfIn PDF document text
    • https://acryl-bg.com/userfiles/file/zekinufuzosozoro.pdfIn PDF document text
    • https://forajezar.weebly.com/uploads/1/3/4/1/134108615/3407348.pdfIn PDF document text
    • https://gukozorupo.weebly.com/uploads/1/3/1/4/131411088/dc47b07a12c30c.pdfIn PDF document text
    • https://wendi101.com/userfiles/file/gefisusuk.pdfIn PDF document text
    • http://aptwash.com/userData/ebizro_board/file/xitekuxepoxanukepajewor.pdfIn PDF document text
    • https://optical-axis.com/uploads/files/202203190833325280.pdfIn PDF document text
    • http://mottaing.eu/userfiles/files/82510793862.pdfIn PDF document text
    • https://zenojunaguj.weebly.com/uploads/1/3/4/6/134668508/pelukapol-fedaduwifoj.pdfIn PDF document text
    • http://fertilityupdates.com/userfiles/files/59153715483.pdfIn PDF document text
    • http://rimaoman.com/admin/userfiles/file/72761693526.pdfIn PDF document text
    • https://vemakovuzabomon.weebly.com/uploads/1/3/4/8/134881214/6296938.pdfIn PDF document text
    • https://renumikogekosum.weebly.com/uploads/1/3/4/3/134311169/kosobepapupan.pdfIn PDF document text
    • https://xn--90ah6akb9e.xn--p1ai/f/file/73222399856.pdfIn PDF document text
    • https://fuwiveponawixe.weebly.com/uploads/1/3/4/6/134623888/butavelosapojo_namoragew.pdfIn PDF document text
    • https://dipuwiwujamov.weebly.com/uploads/1/4/1/2/141231982/mugafuwal-xudelesowerap.pdfIn PDF document text
    • http://plenerowe.kbo.pl/ckfinder/userfiles/files/44661614327.pdfIn PDF document text
    • http://ylpcl.com/ckfinder/userfiles/files/52750011103.pdfIn PDF document text
    • http://megalabsrl.it/userfiles/files/42415918256.pdfIn PDF document text
    • http://shbaicun.com/userfiles/file/2022020820105573499.pdfIn PDF document text
    • https://voviteri.weebly.com/uploads/1/3/4/9/134904749/6326677.pdfIn PDF document text
    • https://podar.co.za/YmrXLWy8?keyword=bissell%20powerlifter%20powerbrush%20how%20to%20usePDF link annotation
    • 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_off0000b3ea.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b3ea.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b3ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB3EA 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000cbfc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBFC 16580 bytes
SHA-256: 9c5f35290459581207b4d595b2d796647d7295f832ee63264d6aa30ceac1280e
font_02_sfnt_off0000f70a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF70A 10568 bytes
SHA-256: 6394dba8517f2cd95344bc966c8ee60ac01d41f1567531a0101ff588b42f5a59