Malicious PDF — malware analysis report

Static analysis result for SHA-256 4782fb96e558e603…

MALICIOUS

PDF

81.5 KB Created: 2021-09-23 14:09:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: 12896a9eec68bfe95f2556212a9290f7 SHA-1: 7127e20978ea703aba3b73c1308cf78a8cfb07cd SHA-256: 4782fb96e558e6031a70cf23397ed81536a61109f13916bbceb64d3e7cbb0cef
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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 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://archism.ru/uplcv?utm_term=suspects+mod+apk PDF link annotation
    • http://www.anaja-inter.org/public/file/92256334937.pdfIn PDF document text
    • http://maquinandoysubastando.com/dleyes/admin/fotos/file/7408499015.pdfIn PDF document text
    • http://watch62.ru/files/files/mubanapuxagexefaxiw.pdfIn PDF document text
    • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614b2b4100910---milosurewu.pdfIn PDF document text
    • https://okazdedziecko.pl/_files/Media/file/fovobunikaruwep.pdfIn PDF document text
    • http://www.deco-interieure.com/userfiles/file/14123772321.pdfIn PDF document text
    • http://klgd.spokoino.ru/i/upload/files/tasabalilu.pdfIn PDF document text
    • https://vandolderskb.com/images/usr/tevefovozezalanex.pdfIn PDF document text
    • http://neboskreb-irk.ru/uploads/userfiles/files/8639264282.pdfIn PDF document text
    • http://a2hgghk.handylover.com/upload/files/pimawomik.pdfIn PDF document text
    • http://mmbc.cz/_data/user_files/file/vajibokenavijubojuki.pdfIn PDF document text
    • https://luyenthitoeic.info/userfiles/file/godemil.pdfIn PDF document text
    • https://unicorn.mn/js/ckfinder/userfiles/files/xizipisejepabojuna.pdfIn PDF document text
    • http://dailythang.com/userfiles/files/26768919306.pdfIn PDF document text
    • http://ppogrimall.com/upload/editor_image/file/famubodinukufuteli.pdfIn PDF document text
    • http://ginzaoakland.com/uploads/files/lapamavebifuduzigozu.pdfIn PDF document text
    • http://nuovartea.eu/userfiles/files/68010716585.pdfIn PDF document text
    • http://gestaocipa.com/public_html/Imagens/file/mufawapesovekunozalure.pdfIn PDF document text
    • http://studioarclab.eu/userfiles/files/wutojagediv.pdfIn PDF document text
    • http://seghers.kr/data/editor/file/107388737661349217afabe.pdfIn PDF document text
    • https://www.borzabadi.com/ckfinder/userfiles/files/37171468330.pdfIn PDF document text
    • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381d87a1649---79960371048.pdfIn PDF document text
    • http://lednotice.com/userData/board/file/36483868878.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.netReferenced by PDF JavaScript
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseReferenced by PDF JavaScript

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d98c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD98C 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000f1a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1A3 10600 bytes
SHA-256: a92bf6c9f71800c12abfe85518fc8d3a41015983e186e6d7d079c0362df1ef93
font_02_sfnt_off000109ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109EC 18160 bytes
SHA-256: 6335235225e7d33fa5746eb5f5b21c00050f5631e2777f6bbb4e8e06fe988552

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