Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfd67d0a63cb210e…

MALICIOUS

PDF

44.7 KB Created: 2021-05-10 17:37:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: ccffb5dd4c287fdf4259f28dd90a4490 SHA-1: 5ee51acd65a3281829002a50b38aabcc193cd363 SHA-256: bfd67d0a63cb210ef0a943591898e12280648f86e8ba8006f5be41ec47810c6f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9949

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.xyz/app/406889139/coin-master-heaven-free-spins-today-game-hack PDF link annotation
    • http://www.dolciariavarone.com/images/coin-master-card-collection-link_GM406889139.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/hack-master-coin-pc_GM406889139.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/best-free-robux-sites_GM431946152.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/what-do-roblox-points-do_GM431946152.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/free-robux-stream_GM431946152.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/gamehunters-club-coin-master_GM406889139.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/coin-master-free-gold-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/master-free-spin-and-coin-link_GM406889139.pdfIn PDF document text
    • http://www.dolciariavarone.com/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000425b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x425B 30864 bytes
SHA-256: 32a2a980ab0ffbbf2fa10b416424e00f4c99c689f4b44261d195fb8074a67691
font_01_sfnt_off000080a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80A8 3380 bytes
SHA-256: 1dd933c112880b232546f3aab6a17784a8f412d39fd551cc6eb31c5a04c3ce57
font_02_sfnt_off00008c91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C91 18356 bytes
SHA-256: 60a5a430713f1161b8494f77535ec8b7c572fc0a829325370a59d32a1885166f

Open this report in the interactive analyzer, or submit your own file for analysis.