Malicious PDF — malware analysis report

Static analysis result for SHA-256 463b1f91f71e2f85…

MALICIOUS

PDF

46.8 KB Created: 2021-05-12 00:19:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 77dc82a519fe0744096ca34bb7475690 SHA-1: 0e2883bcabaaeebf4e130fdd34e04583391f1dfe SHA-256: 463b1f91f71e2f85ae07425c1de8ea37f0ebc05c073203bae3bcdcd62c7b0853
82 Risk Score

Malware Insights

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

The document contains heuristics indicating an advance-fee scam lure, specifically related to lottery or parcel delivery. It also contains an embedded URL pointing to a site that claims to offer exploits for online games. The presence of these elements suggests the document is designed to trick users into visiting a malicious website, likely to perpetrate a scam or deliver further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

Heuristics 4

  • 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.
  • 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/431946152/how-to-exploit-roblox-game-hack
    • https://www.ma-plast.hr/files/hack-coin-master-android_GM406889139.pdf
    • http://www.ma-plast.hr/files/free-roblox-money_GM431946152.pdf
    • http://www.ma-plast.hr/files/how-to-play-minecraft-with-friends-for-free_GM479516143.pdf
    • https://www.ma-plast.hr/files/coin-master-tricks-and-hacks_GM406889139.pdf
    • http://www.ma-plast.hr/files/http-appsmob-info-coin-master-hack_GM406889139.pdf
    • http://www.ma-plast.hr/files/get-free-cards-coin-master_GM406889139.pdf
    • http://www.ma-plast.hr/files/free-robux-no-verify-2021_GM431946152.pdf
    • http://www.ma-plast.hr/files/links-to-get-free-spins-on-coin-master_GM406889139.pdf
    • https://www.ma-plast.hr/files/free-bling-bling-card-coin-master_GM406889139.pdf
    • http://www.ma-plast.hr/files/coin-master-gameplay_GM406889139.pdf
    • http://www.ma-plast.hr/files/coin-master-coins-free_GM406889139.pdf
    • http://www.ma-plast.hr/files/coin-master-cracked-apk-free-download_GM406889139.pdf
    • https://www.ma-plast.hr/files/is-minecraft-free-on-xbox-one_GM479516143.pdf
    • http://www.ma-plast.hr/files/buy-robux-free_GM431946152.pdf
    • http://www.ma-plast.hr/files/coin-master-facebook-page_GM406889139.pdf
    • http://www.ma-plast.hr/files/free-coin-master-coins_GM406889139.pdf
    • http://www.ma-plast.hr/files/free-24-7-minecraft-server_GM479516143.pdf
    • https://www.ma-plast.hr/files/coin-master-free-spins-without-verification_GM406889139.pdf
    • http://www.ma-plast.hr/files/how-to-hack-in-roblox-prison-life_GM431946152.pdf
    • https://www.ma-plast.hr/files/free-spin-link-for-coin-master-game_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000483d.bin
e982b017de4a9408e5adb16a11a4565681d4a47233f26c9ff2dceada7cc4bee5
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x483D 27504 bytes
font_01_sfnt_off00008794.bin
9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
pdf-font-stream PDF embedded font (sfnt) at offset 0x8794 5596 bytes
font_02_sfnt_off0000943c.bin
14a7a02fb1aaf1beab455532f44b65ebc20e678385b0b150c909edd11662d31d
pdf-font-stream PDF embedded font (sfnt) at offset 0x943C 18348 bytes