Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c866cb6ac3befb9…

MALICIOUS

PDF

77.2 KB Created: 2022-04-01 20:22:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-04
MD5: f6373a61b803651623d95321981cc665 SHA-1: e7fcbcead7b9e3f60bb631f091a28846552294e8 SHA-256: 2c866cb6ac3befb981a05a106647bc1e081ab131d6f66c0b0c96f29ba23c7899
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 7

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://loheb.co.za/YmrXLWy8?keyword=old%20school%20runescape%20free%20to%20play PDF link annotation
    • http://generale-bureautique.fr/gdb/files/file/95171585700.pdfIn PDF document text
    • https://makurabun.weebly.com/uploads/1/3/4/6/134651698/bb666342.pdfIn PDF document text
    • https://fupojipivub.weebly.com/uploads/1/3/4/5/134525069/1407ef1fcc900c2.pdfIn PDF document text
    • https://alkalacarservice.com/public_html/userfiles/file/67274588436.pdfIn PDF document text
    • https://pizewenijanud.weebly.com/uploads/1/3/0/7/130775868/pitiduj.pdfIn PDF document text
    • https://pinowutofabu.weebly.com/uploads/1/3/4/7/134763632/laluw.pdfIn PDF document text
    • http://apismorava.eu/docs/wegijagavumogawovotironax.pdfIn PDF document text
    • http://www.rztria.ru/kcfinder/upload/files/milolabaxeka.pdfIn PDF document text
    • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/6gu4jcqdhuggl27ll4nhbc6l07/vogusiporogezotikibax.pdfIn PDF document text
    • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/161fe01e849b3d---65160915443.pdfIn PDF document text
    • https://fiwibafufo.weebly.com/uploads/1/3/0/7/130774969/2012034.pdfIn PDF document text
    • http://www.regional4.org.ar/administrador/kcfinder/upload/files/93652850555.pdfIn PDF document text
    • https://wivixovipi.weebly.com/uploads/1/3/4/4/134442696/8621343.pdfIn PDF document text
    • https://ligelonajoka.weebly.com/uploads/1/3/1/4/131407163/19a9ef2.pdfIn PDF document text
    • https://jojixujodu.weebly.com/uploads/1/4/1/2/141251922/turamavelineb-tuxow-jewebi-nasulupaxisi.pdfIn PDF document text
    • https://fojamumevojizer.weebly.com/uploads/1/4/1/2/141258461/kokabijir_zasejamiz_jerekolexiwobix.pdfIn PDF document text
    • http://corpinal.com/kcfinder/upload/files/95411296774.pdfIn PDF document text
    • http://changzhou.chinatupai.com/web/js/ckfinder/userfiles/files/ruvafuwafijunidajuxili.pdfIn PDF document text
    • https://surumisaw.weebly.com/uploads/1/3/4/7/134707241/6066137.pdfIn PDF document text
    • https://nenikekawudiw.weebly.com/uploads/1/3/4/4/134468161/9473880.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#Referenced by PDF JavaScript
    • http://purl.org/dc/elements/1.1/Referenced by PDF JavaScript
    • http://ns.adobe.com/pdf/1.3/Referenced by PDF JavaScript
    • http://ns.adobe.com/xap/1.0/Referenced by PDF JavaScript
    • http://ns.adobe.com/xap/1.0/mm/Referenced by PDF JavaScript
    • http://ns.adobe.com/xap/1.0/rights/Referenced by PDF JavaScript
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

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_off0000c8bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC8BC 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e0d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D3 10864 bytes
SHA-256: 3dc8e41419f34ede92ef8264bec45e3a5325bb2c06af43455f705f99a1455863
font_02_sfnt_off0000f9f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9F0 16964 bytes
SHA-256: 0bfaec19f0f798cfe254bca5deb7b31b5dbdc54614d98810bbc633d9c8608b7c

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