Malicious PDF — malware analysis report

Static analysis result for SHA-256 a76014787f4232a7…

MALICIOUS

PDF

239.6 KB Created: 2021-04-05 04:53:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: ec661efdde9b5e9d194d7d5632bcb1cc SHA-1: 38fee0fd9394928dd63708bbbfc332898190bc6b SHA-256: a76014787f4232a76f64025e7745288f2b84708ce7c88f573847af2d795ff7b7
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is a PDF document detected by ClamAV as 'Pdf.Phishing.Roblox062100-9873116-0'. It contains multiple embedded URLs, with the primary one being 'http://gaminggenerator.org/app/431946152/roblox-free-skin-hack', suggesting a phishing attempt related to Roblox game items. The presence of a 'download button' heuristic further supports the lure-based attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5773

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-free-skin-hack PDF link annotation
    • http://schlossschaenke-andernach.de/images/free-roblox-private-server.pdfIn PDF document text
    • http://jdlwealth.com/images/free-daw-2-group-roblox.pdfIn PDF document text
    • http://mostowicz.pl/images/ben-10-universal-showdown-cheats-roblox.pdfIn PDF document text
    • http://prohsa.com/images/free-robux-from-roblox-games.pdfIn PDF document text
    • https://www.u-pin-it.com/images/killing-simulator-roblox-no-cheat.pdfIn PDF document text
    • http://evp-sanorlenok.ru/images/win1code-free-robux.pdfIn PDF document text
    • http://5346000.com/images/how-to-get-free-robux-no-scam-november.pdfIn PDF document text
    • http://adenmarks.se/images/hacking-into-robloxs-account.pdfIn PDF document text
    • http://principessalialaofegypt.com/images/roblox-how-to-hack-robux-with-inspect-element.pdfIn PDF document text
    • https://www.olboys.it/images/free-robux-hack-inspect-element.pdfIn PDF document text
    • http://nevesomost.by/images/how-to-hack-surf-leaderboard-roblox.pdfIn PDF document text
    • http://bau-lk.de/images/people-on-roblox-who-give-free-things.pdfIn PDF document text
    • https://www.linzgau-kjh.de/images/free-robux-easy-no-human-verification.pdfIn PDF document text
    • http://tecnodue.com/images/free-robux-generator-with-chat.pdfIn PDF document text
    • https://www.appartamenticroazia24.com/images/roblox-prison-life-hack-2021.pdfIn PDF document text
    • http://ns1.radiofacil.net/images/free-roblox-accounts-with-robux-2021-august.pdfIn PDF document text
    • http://adenmarks.se/images/play-jailbreak-for-free-without-installing-roblox-for-free.pdfIn PDF document text
    • http://www.bbnest.it/images/free-roblox-rthro.pdfIn PDF document text
    • https://www.arquetopia.org/images/welcome-to-roblox-account-hacker.pdfIn PDF document text
    • https://www.lavigny.ch/images/how-to-draw-on-free-draw-roblox.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_off00036a6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36A6F 21532 bytes
SHA-256: c08cc3ebaa97803a4f6d5e7fa39161fb641e54fcae10aac77c81081839b2fa3f
font_01_sfnt_off00039969.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39969 18000 bytes
SHA-256: 01a1def3112aaa9a3b39378b54b1e90e2b20935c28351239e633652d8763b5ce