Malicious PDF — malware analysis report

Static analysis result for SHA-256 82034e1441779546…

MALICIOUS

PDF

43.2 KB Created: 2021-06-03 18:12:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 719e507670358a0a22c77ad99afaede0 SHA-1: e539076c62ea7c3c7367cbf76c8c310f41794cfa SHA-256: 82034e144177954658795c9ae4eb4fdb079d2d3dd75301faef05bdbdfbbf5011
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that redirect to websites offering game hacks and generators, a common lure for phishing or malware distribution. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external links and the 'game hack' lure strongly suggest an intent to redirect users to malicious sites, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/406889139/coin-master-free-soins-game-hack PDF link annotation
    • http://el.man3jombang.com/__statics/gudangsoal/files/hack-minecraft_GM479516143.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/free-outfits-roblox_GM431946152.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/how-to-get-free-coins-in-mcpe-master_GM406889139.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/free-roblox-hack_GM431946152.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/free-spins-for-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/tiktok-for-free_GM835599320.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/free-coin-master-game_GM406889139.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/is-minecraft-free-on-pc_GM479516143.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/info-roblox-com-robux_GM431946152.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/coin-master-online_GM406889139.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/get-free-robux_GM431946152.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/wwwcoin-master-free-spincom_GM406889139.pdfIn PDF document text
    • http://el.man3jombang.com/__statics/gudangsoal/files/coin-master-free-spins-link-2021-today_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
stream_004_off0000506c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x506C 24216 bytes
SHA-256: afc825d6fb1bb8e48e103bc2eae55ce99677ab1270780c3c82010401adf95e70
font_01_sfnt_off000087d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87D2 17712 bytes
SHA-256: a621fa0cf6ecf429ccb0e9762dad0d1971a2824e8730eca88621f5efe7e14995

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