Malicious PDF — malware analysis report

Static analysis result for SHA-256 980bcdae295422c4…

MALICIOUS

PDF

35.2 KB Created: 2021-07-04 04:44:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 8bfa819c84228d9b0193778b8311dfc7 SHA-1: cd2aee7864c70d6f9b2cc5710fcf6ddfc74cd7e9 SHA-256: 980bcdae295422c4893eaf78bcdbef9cacc36e684bf43e1569abf2c807083557
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a high-severity heuristic indicating it links to a game hack redirector, specifically mentioning 'robux-fun-hack-game-hack'. The document body and extracted URLs reinforce this, presenting lures related to game cheats and free currency. While no scripts were directly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to a malicious site, likely for phishing or malware distribution.

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.tw/app/431946152/robux-fun-hack-game-hack PDF link annotation
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/coin-master-hack-twitter_GM406889139.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/free-roblox-redeem-codes-2021_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-hack-roblox-with-javascript_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-sell-roblox-shirts-for-free_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-hack-in-arsenal_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/regal-world-coin-master_GM406889139.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/become-a-god-with-hacker-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/free-robux-generator-download-2021_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-get-minecraft-on-chromebook-for-free_GM479516143.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/faceless-face-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/roblox-mineverse-cheats_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/free-roblox-cheat-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/roblox-codes-to-hacke_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/free-robux-only-1-step_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/free-promo-codes-for-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-get-free-stuff-on-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-hack-coin-master-pc_GM406889139.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_off000032e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32E5 22500 bytes
SHA-256: 1f58050f41c3e499330ae0bc8c63a6a4c4c778f91e2a35c80fa767332312d519
font_01_sfnt_off0000652c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x652C 18884 bytes
SHA-256: c1015eee087a13dc62c4aba5d792f044bb527228a7c6867863e8b6cb34361f4d

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