Malicious PDF — malware analysis report

Static analysis result for SHA-256 42792a954964ccb6…

MALICIOUS

PDF

62.9 KB Created: 2021-09-25 23:46:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-31
MD5: c680bf199d7ec1f0649ff8384185655c SHA-1: 94c0d767a14bb62f5bc027ebb8b41f600ef59777 SHA-256: 42792a954964ccb6ba08139adcd27dbc668a7270b87a788b2d3042fbff842aa8
124 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5839

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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
  • 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://allytemp.ru/uplcv?utm_term=download+omnisphere+vst+free PDF link annotation
    • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bf472ad27---lolirovawuwupalizu.pdfIn PDF document text
    • https://sapsda.com/SapmaUserfiles/file/vorexofonogijuxoruba.pdfIn PDF document text
    • http://szentdorottyapatika.hu/files/gonalojurizi.pdfIn PDF document text
    • http://fishingas.com/userfiles/file/5273687875.pdfIn PDF document text
    • http://nhuaduongnhapkhauaz.com/upload/files/zezumuwavipofar.pdfIn PDF document text
    • http://przyrodnik-kujawy.eu/userfiles/file/95753421765.pdfIn PDF document text
    • http://alrabbancapital.com/file/files/57402816972.pdfIn PDF document text
    • http://vietcem.vn/public/default/ckeditor/files/nupalunojuwagogeb.pdfIn PDF document text
    • http://globalroomplus.com/bot/ckfinder/uf/files/vemimox.pdfIn PDF document text
    • http://ibtaker.ps/userfiles/file/wanerilis.pdfIn PDF document text
    • http://sedaciesupravy.sk/media/file/39590716343.pdfIn PDF document text
    • https://resulgame.com/calisma2/files/uploads/zinesogaxotekofigixexel.pdfIn PDF document text
    • http://unitekinfostructures.com/userfiles/file/48876423466.pdfIn PDF document text
    • https://vasutaszeneiskola.hu/ckfinder/userfiles/files/45569186388.pdfIn PDF document text
    • http://kondicionery-ivanteevka.ru/upload_picture/file/wapikigoraf.pdfIn PDF document text
    • https://maxlinder.com/admin/assets/ckfinder/userfiles/files/tonane.pdfIn PDF document text
    • http://sinice-rasy.cz/files/file/remunagekeduxinisaligujis.pdfIn PDF document text
    • http://startmatbaa.com/userfiles/file/xapolotoviwexuzebopito.pdfIn PDF document text
    • http://ecovn.vn/uploads/news_file/rizefasawiwede.pdfIn PDF document text
    • http://jnejendomsdrift.dk/userfiles/file/60701701327.pdfIn PDF document text
    • http://ipublicity.cz/data/file/87232455357.pdfIn PDF document text
    • https://2winit.com/Files/files/57195188801.pdfIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b69a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB69A 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ceb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCEB1 10916 bytes
SHA-256: a3eb5d0f22719d7dcbd9907f03871757498d9c726d501a8e3d762b4e66b61436