Malicious PDF — malware analysis report

Static analysis result for SHA-256 55646729ce69ff1e…

MALICIOUS

PDF

78.1 KB Created: 2021-09-13 12:31:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-08
MD5: f1cd77eb42a8ee212c1289bb97ebae1e SHA-1: 00555cd3c74f63f4520b37442d70ae66467000fe SHA-256: 55646729ce69ff1e23f856d7c7565298f10dd33b1b45ac59afbb2aea2ff3c8cf
66 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9961

Heuristics 4

  • 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://drafthe.ru/uplcv?utm_term=among+us+download+11.17 PDF link annotation
    • http://yesfabric.com/images/upload/File/vifazavaxin.pdfIn PDF document text
    • https://lecormier-menuiserie.com/www/upload/files/82444133380.pdfIn PDF document text
    • https://evpersoneli.net/ev-personeli/file/fisibefejorenizefafabisi.pdfIn PDF document text
    • http://ingegnasrl.com/userfiles/files/12849729318.pdfIn PDF document text
    • https://vinocastillo.hu/editor_up/purodamakusagu.pdfIn PDF document text
    • http://sitoad.com/bbqjoekey/files/202109071350393760.pdfIn PDF document text
    • http://lycee-elm.org/userfiles/file/32940334466.pdfIn PDF document text
    • https://badeluxe.com/userfiles/files/dusekujuritete.pdfIn PDF document text
    • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/d5c2eb13bf5900ecfc957216649dd274/8166978541.pdfIn PDF document text
    • http://www.de.ruben.pl/ckfinder/userfiles/files/kijenilogotofazez.pdfIn PDF document text
    • http://sakuragiramenandsushi.com/uploads/files/62913119909.pdfIn PDF document text
    • https://daaeportrett.no/upload/file/6270491939.pdfIn PDF document text
    • http://galaxyjewel.cn/uploadfile/files/20931013957.pdfIn PDF document text
    • http://www.39koratmachinery.com/file_upload/files/80156834330.pdfIn PDF document text
    • http://infas.cz/images/wiswig/file/kijogivirisodox.pdfIn PDF document text
    • http://hondatayho.top/img-ngocbao/files/vizivetatupuwafilegekakar.pdfIn PDF document text
    • http://telektrans.hu/editor_up/satavugigujitetevoturu.pdfIn PDF document text
    • http://zrdb-drogbud.pl/Upload/file/54406319431.pdfIn PDF document text
    • http://bscartridge.com/pic/60332154616.pdfIn PDF document text
    • https://www.channeloflove.com/ckfinder/userfiles/files/lumusimuk.pdfIn PDF document text
    • http://mnwebdesign.dk/userfiles/file/62552924231.pdfIn PDF document text
    • http://architettipassarinmarzotto.com/userfiles/files/radabizid.pdfIn PDF document text
    • https://mygenius.ru/admin/ckfinder/userfiles/files/mibimovunatokosixuzub.pdfIn PDF document text
    • http://sputnik.kr.ua/fckeditor/editor/filemanager/connectors/userfiles/file/3599-descargar-que-paso-ayer-1-2-3-latino.xmlIn PDF document text
    • http://phbs.salatiga.go.id/gcontent/uploads/file/6482-descargar-cyberghost-full-2018-crack.xmlIn PDF document text
    • http://petrus.olawa.pl/./fckeditor/editor/filemanager/connectors/grafiki/file/9983-descargar-cyberghost-full-2019-mega.xmlIn 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 extracted file (font_00_sfnt_off0000ce28.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ce28.bin)

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_off0000ce28.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE28 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e63f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE63F 10504 bytes
SHA-256: a3c00b553564879608e2764ae7dde9521712d93100b2f9fc27543316e85a03f1
font_02_sfnt_off0000fe15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE15 17208 bytes
SHA-256: ca44877760658d08decc6a324923a3fd3810f10649d16554bc168bdef1523ed0

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