Malicious PDF — malware analysis report

Static analysis result for SHA-256 425a84bd412f5a75…

MALICIOUS

PDF

77.2 KB Created: 2022-04-07 04:57:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-15
MD5: 5cb3127aefe0249d04544bbf32381736 SHA-1: cbeeaa19b966f80e1b6b7a0cd5b181cb833dd7d4 SHA-256: 425a84bd412f5a75f6247117e90f74dadfeeb06caeb4cf4a2c7c831695afb584
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • 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 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=formulas%20de%20cuerpos%20geometricos%20redondos PDF link annotation
    • https://nukoxifade.weebly.com/uploads/1/3/4/3/134332817/f2c03ac40.pdfIn PDF document text
    • https://dizuxegukus.weebly.com/uploads/1/3/4/6/134624336/juxufiwelivek.pdfIn PDF document text
    • http://www.louervendreaumaroc.com/kcfinder/upload/files/vudekisovokelogiresujaz.pdfIn PDF document text
    • http://whuntex.ru/userfiles/file/tezanelikasagukagewe.pdfIn PDF document text
    • https://sidedelozamuk.weebly.com/uploads/1/3/1/4/131482822/2629493.pdfIn PDF document text
    • http://apicn.net/upload/files/konorodubekolezi.pdfIn PDF document text
    • https://rolowuwojudazap.weebly.com/uploads/1/3/5/3/135302881/simodug_zanoromujefuxep_bilijagafokulek_burewepinajo.pdfIn PDF document text
    • https://hhwholesaleclub.com/admin/kcfinder/upload/files/79455182738.pdfIn PDF document text
    • http://tylincms.com/userfiles/files/88349987867.pdfIn PDF document text
    • https://ramowofotaro.weebly.com/uploads/1/3/1/6/131607053/cf378c6.pdfIn PDF document text
    • https://jupimoxojufe.weebly.com/uploads/1/3/4/8/134860775/zisojol.pdfIn PDF document text
    • http://dalnoboy.net/data/filestorage/upload/files/55920324941.pdfIn PDF document text
    • https://vusasetimonumak.weebly.com/uploads/1/3/4/8/134855164/panipifova.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1622ea54800651---75040569929.pdfIn PDF document text
    • http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/riwenezek.pdfIn PDF document text
    • https://tetavezodumop.weebly.com/uploads/1/3/4/6/134645623/8d8bc403336.pdfIn PDF document text
    • https://solidpractise.com/files/userfiles/file/neluwadexejuxuf.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161f8c6111a40b---57554572029.pdfIn PDF document text
    • http://candientushinko.com/images/file/ganuxofemibofidegonile.pdfIn PDF document text
    • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1624e011323ea3---xuvevibezujirurupoled.pdfIn PDF document text
    • https://alfalahmedical.org/c_panel/ckeditor1/ckeditor/kcfinder/upload/files/befil.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_off0000c891.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC891 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e0a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0A3 17680 bytes
SHA-256: 653bae46de333c71dc274954b14d12c75345fc3a68c0d5691e510e2c12806133
font_02_sfnt_off00010e1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E1E 10936 bytes
SHA-256: 8920e74b6520cb236e08a7649eb2623a9c367d11b8fc4b9932b5d786cf1a567e

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