Malicious PDF — malware analysis report

Static analysis result for SHA-256 d667c9d609805a46…

MALICIOUS

PDF

44.4 KB Created: 2021-06-11 02:50:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2ec76c79d1b95305914e99dc041a6c4f SHA-1: 0420cab09a396a59b517153f9d220de524c2d39c SHA-256: d667c9d609805a463ed674fe5ece963c50feea205184dff281bd4b0e3aeebf1d
102 Risk Score

Malware Insights

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

This PDF document employs an advance-fee scam lure, promising free Robux or game hacks to entice users. It contains multiple embedded URLs pointing to external resources, including one that uses a raw IP address, likely to host a second-stage payload or further phishing content. The ML classifier also flagged this document as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 5

  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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.tw/app/431946152/roblox-hack-robux-download-android-game-hack
    • http://111.68.26.74/widyapustaka/repository/how-to-get-free-robux-no-verification-2021_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/where-to-get-free-robux_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/roblox-hack-me-robux_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/free-robux-claimgg-codes_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/free-views-on-tiktok_GM835599320.pdf
    • http://111.68.26.74/widyapustaka/repository/free-robux-apps-that-work_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/password-free-roblox-accounts_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/cool-free-outfits-roblox_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/gg-robux-genorator-for-free_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/roblox-free-without-sign-in-or-login_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/minecraft-life-hacks_GM479516143.pdf
    • http://111.68.26.74/widyapustaka/repository/how-to-hack-an-account-on-roblox-easdy-and-fasting_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/free-spins-coin-master-2021_GM406889139.pdf
    • http://111.68.26.74/widyapustaka/repository/free-robux-websites-that-work_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/how-to-download-minecraft-for-free-ios_GM479516143.pdf
    • http://111.68.26.74/widyapustaka/repository/coin-master-hacks-no-verification_GM406889139.pdf
    • http://111.68.26.74/widyapustaka/repository/how-to-get-free-food-for-foxy-in-coin-master_GM406889139.pdf
    • http://111.68.26.74/widyapustaka/repository/roblox-build-a-boat-free-vip-servers_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/how-to-hack-roblox-games_GM431946152.pdf
    • http://111.68.26.74/widyapustaka/repository/free-robux-codes-no-human-verification_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f8a.bin
1980d4c8b19d44d4ff3b556a269a02c595f4f835765ac89d9fa696c3c4ea4291
pdf-font-stream PDF embedded font (sfnt) at offset 0x4F8A 25844 bytes
font_01_sfnt_off000088d1.bin
96689e0727705e0fe37a7a52c31135eeab463a5562bfc68b4296d6916687b646
pdf-font-stream PDF embedded font (sfnt) at offset 0x88D1 18948 bytes