Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d9dac97800e2800…

MALICIOUS

PDF

35.1 KB Created: 2021-06-25 21:08:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 726655ed06511fabe5f4f5fafb8ea63c SHA-1: 67cd683cef02542bc0793d54cc8fb9bbcde6825f SHA-256: 8d9dac97800e2800634884a28fcf2a2bdcc8b56243586fbb4ee75108cc316250
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to "How To Hack Your Robux 2021" to entice users. It contains embedded URLs that redirect to potentially malicious content, suggesting an attempt to lead users to a phishing or malware distribution site. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

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/how-to-hack-your-robux-2021-game-hack PDF link annotation
    • http://slims.abulyatama.ac.id//repository/robuxfree-con_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-robux-generator-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/robux-free-youtube-aspire_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/offers-for-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/free-minecraft-gift-codes_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-online-hack-2021_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-get-roblox-premium-for-free-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/hack-for-roblox-create-a-security-base_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-hack-apk-35-33_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-free-spin-link-list_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/explaining-video-free-robux-and-diamonds_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-cheat-engine-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-com-free-play_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-spins-on-coin-master-link_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/roblox-hack-with-winrar_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/ultimate-driving-roblox-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_off000030bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30BF 22448 bytes
SHA-256: da028a50c4aa50cdbe7ae0c6df897d9dd64cc267d79d6efb38ae0f02c03bec1c
font_01_sfnt_off000062d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62D9 19448 bytes
SHA-256: 08a79ee4cd73c528be805e242fec3decb78d13a8696335f5c8f140aecc658726

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