Malicious PDF — malware analysis report

Static analysis result for SHA-256 0eace9dfdf2ae57f…

MALICIOUS

PDF

34.9 KB Created: 2021-06-18 15:20:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: c588b5c51aeefcacbc3fe3de5a2557fc SHA-1: a727c93166f1bd33d42352a9ac0a4156962b0149 SHA-256: 0eace9dfdf2ae57faac3da9c24b1755fa51e376cead29197a405134cf4e1729c
82 Risk Score

Malware Insights

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

The PDF document contains multiple links to websites advertising game hacks and generators, such as 'Roblox Speed Hack 2021 March'. These links are designed to trick users into visiting malicious sites, likely to download further malware or engage in phishing. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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://netcdn.co/app/431946152/roblox-speed-hack-2021-march-game-hack PDF link annotation
    • http://lesvossolidarity.org/images/coin-master-free-spins-link-2021-twitter_GM406889139.pdfIn PDF document text
    • http://lesvossolidarity.org/images/roblox-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/robuxian-robux-hack-website_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/is-it-bad-to-hack-your-friend-roblox_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/free-generator-for-card-roblox-robux_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/hack-for-robux-with-edit-this-cookie_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/coin-master-free-coins-app_GM406889139.pdfIn PDF document text
    • http://lesvossolidarity.org/images/runinate-roblox-hack_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • http://lesvossolidarity.org/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/info-roblox-com-robux_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/robux-giver_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/is-minecraft-free-on-pc_GM479516143.pdfIn PDF document text
    • http://lesvossolidarity.org/images/is-roblox-free-on-switch_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/how-to-fly-in-roblox-using-cheat-engine_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/how-to-win-robux_GM431946152.pdfIn PDF document text
    • http://lesvossolidarity.org/images/roblox-phantom-forces-hack_GM431946152.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_off00002fef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FEF 22376 bytes
SHA-256: 514c979a122ada8a3b126f409f0be96d6ce7b6c1c2012abfb2a185f7f12204d9
font_01_sfnt_off000061eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61EB 19584 bytes
SHA-256: fb0e56d2dd957f9c23461f7b9ae21dca8ae58bb88748676c76c85c1c136e747d

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