Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa82d7ec9a9b1bcc…

MALICIOUS

PDF

79.7 KB Created: 2022-05-11 00:43:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 34cf338160ab778129bebdf2c1455812 SHA-1: 685c3e78e6eec525e8d62ac4601e83038fe77c85 SHA-256: aa82d7ec9a9b1bcc5b48bdf2e70c751dff4b78ac07d596a7d79ec8c41c2a838c
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://fecuq.co.za/YmrXLWy8?keyword=murphy%20analisis%20tecnico%20de%20los%20mercados%20financieros%20pdf%20la%20familia%20en%20que PDF link annotation
    • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1626e8edfb885e---mevemikimoramasewefad.pdfIn PDF document text
    • https://zelulugupu.weebly.com/uploads/1/3/3/9/133997406/6717642.pdfIn PDF document text
    • https://zexebofefibem.weebly.com/uploads/1/3/5/3/135303963/lomalafejowomin-metav.pdfIn PDF document text
    • http://fratellibeninca.com/images/file/41558007198.pdfIn PDF document text
    • https://jackinthegymtpe.com/uploads/files/202204052135086392.pdfIn PDF document text
    • https://fegojobakib.weebly.com/uploads/1/3/1/1/131163858/sosukazawubuvi.pdfIn PDF document text
    • http://energy-partner.pl/kcfinder/upload/files/768857545.pdfIn PDF document text
    • https://nesurufaratetud.weebly.com/uploads/1/3/1/4/131408203/rokifafevubo_piwajitevavolam.pdfIn PDF document text
    • https://przewodnikjeleniagora.pl/photos/pages/files/3486865284.pdfIn PDF document text
    • http://prompol.com/media/file/jopanusawopi.pdfIn PDF document text
    • https://dreptultau.hotnews.md/upload/userfiles/files/vapowofifudijukajanizipug.pdfIn PDF document text
    • https://imagebrandstudio.com/userfiles/file/43318369773.pdfIn PDF document text
    • http://xn-----6kcftbqgtghjv5bf5gydg7b.xn--p1ai/files/files/73285244417.pdfIn PDF document text
    • https://tumogifizutuvo.weebly.com/uploads/1/3/4/5/134527103/tupebugom_medepa_kofomeroxuvepa_desagudu.pdfIn PDF document text
    • https://yapluka-services.fr/userfiles/file/60325258788.pdfIn PDF document text
    • https://dujomujur.weebly.com/uploads/1/3/4/8/134883281/dogiwiguxulob-vetevomige-rimobimud-lorazag.pdfIn PDF document text
    • http://www.ascondir.com.br/Gerenciador/kcfinder/upload/files/xaserejefodegiran.pdfIn PDF document text
    • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/162457ec76fce7---rafetup.pdfIn PDF document text
    • https://jelosixonov.weebly.com/uploads/1/3/4/6/134666827/4376866.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_off0000cb7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB7B 18888 bytes
SHA-256: 7f684b54ede17907b75853f463b38d4e2b1b5972be30c32396ffaee3832de50a
font_01_sfnt_off0000fc49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC49 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011460.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11460 11236 bytes
SHA-256: 2699cd2b3a4563661167258e9e200817b73ba68167424e93119eb01d45e9bca5

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