Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d898736ad92a54e…

MALICIOUS

PDF

81.3 KB Created: 2022-04-18 19:11:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 0c1a9cb864fa56ef79f1e70f0b80ed18 SHA-1: 34c1a96ce92672726b3a659ab5da00f2aa1f6c32 SHA-256: 5d898736ad92a54e08fe04d6cd8c89076af50c1047f8f066f10601d25f058fb8
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://tevav.co.za/YmrXLWy8?keyword=who%20are%20the%20bad%20guys%20in%20stargirl PDF link annotation
    • http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/96183928009.pdfIn PDF document text
    • https://desemezek.weebly.com/uploads/1/3/4/4/134458593/vodisubumezilef.pdfIn PDF document text
    • https://dpengineers.info/admin/userfiles/file/48165881849.pdfIn PDF document text
    • http://goodwill.pl/userfiles/file/81151087755.pdfIn PDF document text
    • https://patodenum.weebly.com/uploads/1/3/4/6/134657208/pedifotokogikabeva.pdfIn PDF document text
    • http://csc021.com/userfiles/file/20220406035240_oltub9.pdfIn PDF document text
    • https://doradca-bankowy.pl/files/files/71223871653.pdfIn PDF document text
    • https://gugagefa.weebly.com/uploads/1/3/4/3/134343265/5623004.pdfIn PDF document text
    • https://wukopinanojud.weebly.com/uploads/1/4/1/4/141420080/5fa3a0f853e6.pdfIn PDF document text
    • http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20220320202920.pdfIn PDF document text
    • https://hoya.mobioptika.hr/UserFiles/file/kanepir.pdfIn PDF document text
    • http://eoto.org/assets/kcfinder/upload/files/36520532082.pdfIn PDF document text
    • https://jukuzowak.weebly.com/uploads/1/3/1/3/131379830/bb2c12c25c8.pdfIn PDF document text
    • https://naxugowepuf.weebly.com/uploads/1/3/4/5/134595603/aa73bf9bd24.pdfIn PDF document text
    • https://gilbertems.com/videos/file/87277106678.pdfIn PDF document text
    • http://hakanhurdacilik.com/userfiles/file/moxoribosonotugoligaxe.pdfIn PDF document text
    • https://fakozopaximubod.weebly.com/uploads/1/3/1/4/131453484/5176449.pdfIn PDF document text
    • https://nazragame.com/calisma2/files/uploads/80228998973.pdfIn PDF document text
    • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/161fdc4b94da9f---gibiwezetig.pdfIn PDF document text
    • https://worikasef.weebly.com/uploads/1/3/5/9/135966717/vafokozijizufedunu.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_off0000d85a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD85A 17320 bytes
SHA-256: baf2c5c7ff756f4c47a28fcf2024b2485e261b7853a2f132c02ff05b6fce779e
font_01_sfnt_off00010611.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10611 10876 bytes
SHA-256: 4f29610a609de5013ef7676bdd6a3f8927810daf57889c65544be5753b0fd6f2
font_02_sfnt_off00011ef3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EF3 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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