Malicious PDF — malware analysis report

Static analysis result for SHA-256 4730118db7b67618…

MALICIOUS

PDF

245.2 KB Created: 2021-04-04 11:11:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26
MD5: e2c2d28abe270af22479a1265940d795 SHA-1: dc1c123dec3430079201e50dc26405f44b0393b1 SHA-256: 4730118db7b67618e3e6dd511579bdb61e107624cf7bbfe20a6c732578115576
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific phishing signature related to Roblox. The embedded URLs and the document body, though partially corrupted, suggest a lure for downloading a 'Roblox Hacking System'. The presence of external URIs and a download button heuristic further supports a phishing or social engineering attack vector. No scripts were extracted, limiting the analysis of direct execution or payload delivery mechanisms.

Machine Learning

  • Nyx PDF Classifier clean score 0.1227

Heuristics 4

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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 http://gaminggenerator.org/app/431946152/roblox-hacking-system-download PDF link annotation
    • http://www.lovecraftiana.com.ar/images/how-to-hack-on-roblox-windows-10-hp-ocober-2021.pdfIn PDF document text
    • https://www.najeebqasmi.com/images/free-robux-if-u-join-this-group.pdfIn PDF document text
    • http://escolaarboc.cat/images/knife-server-roblox-hack-script-pastebin.pdfIn PDF document text
    • https://liceucastrodelapenya.com/images/free-op-roblox-exploit-seraph-v2.pdfIn PDF document text
    • http://finalstand.org/images/how-to-hack-robux-for-kids.pdfIn PDF document text
    • https://www.romedia.gr/images/how-to-no-clip-in-roblox-no-hack.pdfIn PDF document text
    • http://dottgagliardi.com/images/roblox-milenari-headphones-free.pdfIn PDF document text
    • http://www.homesweethome.pl/images/uribx-club-roblox-hack.pdfIn PDF document text
    • http://www.apocalissedigesucristo.com/images/roblox-free-giveaway-800-robux.pdfIn PDF document text
    • http://legitame.org/images/roblox-hack-no-survey-or-verification.pdfIn PDF document text
    • https://meltonschool.org/images/how-to-hack-roblox-admin-commands-script.pdfIn PDF document text
    • http://www.cosver.nl/images/free-pink-hair-in-roblox.pdfIn PDF document text
    • http://schrichte.de/images/roblox-q-to-speedhack-script-hack.pdfIn PDF document text
    • http://ivalor.fr/images/free-robux-download-2021.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/how-to-cheat-in-meepcity-roblox.pdfIn PDF document text
    • https://www.udivadlahotel.cz/images/free-robux-hack-real-2021.pdfIn PDF document text
    • https://scraperite.com/images/774-roblox-hack-discord.pdfIn PDF document text
    • http://consultinggirona.es/images/smurf-backpack-gives-free-robux-hack.pdfIn PDF document text
    • http://poltekkeskhjogja.ac.id/images/roblox-bc-hack-download.pdfIn PDF document text
    • http://www.inservis.cl/images/roblox-hack-site-no-verification.pdfIn PDF document text
    • http://www.elis-strechy.cz/images/hacks-land-com-roblox.pdfIn PDF document text
    • http://naturschutzgossau-zh.ch/images/how-to-get-free-robux-on-mac-2021.pdfIn PDF document text
    • http://www.peterdejonge.nl/images/games-that-actually-give-you-free-robux.pdfIn PDF document text
    • https://www.gletthofer.at/images/free-robux-hack-2021-no-human-verification-no-download.pdfIn PDF document text
    • https://yarburservices.ru/images/1-robux-every-second-hack-robuxian.pdfIn PDF document text
    • http://principessalialaofegypt.com/images/roblox-hack-free-robux-pc.pdfIn PDF document text
    • http://torkelson.se/images/free-quad-bike-roblox-bloxburg.pdfIn PDF document text
    • https://liceucastrodelapenya.com/images/clubdark-roblox-hack.pdfIn PDF document text
    • http://principessalialaofegypt.com/images/roblox-follow-flamingo-hack.pdfIn PDF document text
    • http://www.cbgp.upm.es/images/file-droper-roblox-hack.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00037f5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x37F5B 19896 bytes
SHA-256: c796363c94e0ddaf3f8600316631ce36345a760aeb9ef714f31a74283545c47f
font_01_sfnt_off0003a8ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3A8CA 19208 bytes
SHA-256: 9afe2637d155848b369dc4536ba8c736f5a5f0b9a9cecd408674ef35a07a5ffb

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