PDF static analysis report

Static analysis result for SHA-256 b88fe19e31731d45…

SUSPICIOUS

PDF

40.5 KB Created: 2021-05-19 20:30:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 402726ef423cc3bba7ce7756563bf831 SHA-1: 0bffb063797baeb2e2527112364b28ba8c4ff3d3 SHA-256: b88fe19e31731d45a56988e3582f47e03fa8a646a9ea1095066a1393c3deb7ec
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a heuristic firing for PDF_URI, indicating an attempt to redirect the user to external content. The document body, though partially corrupted, suggests a lure related to 'Coin Master Free Coins Hack', aligning with common phishing and scam tactics. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • 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-free-coins-hack-game-hack PDF link annotation
    • https://tpp.com.tw/image/data/files/coin-master-free-soins_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/roblox-free-draw_GM431946152.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/coin-master-mod-version-free-download_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/robloxbux-us-generator_GM431946152.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/free-robux-easy_GM431946152.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/free-minecraft-skin-creator_GM479516143.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/roblox-free-items_GM431946152.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/free-game-pack-with-google-play-coin-master_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/minecraft-pe-apk-download-free-015-0_GM479516143.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/minecraft-free-edition_GM479516143.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/coin-master-hack-no-survey-or-verification_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/coin-master-hack-lost-world-2021_GM406889139.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/how-to-hack-pubg-mobile-unlimited-uc-without-human-verification_GM1330123889.pdfIn PDF document text
    • https://tpp.com.tw/image/data/files/free-robux-master_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
stream_003_off000046ba.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46BA 24220 bytes
SHA-256: dccd55e2ab32f5bbad9e99fbd7eb554fdc72cb01aef5f8bd9b127f706d1a6263
font_01_sfnt_off00007d2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D2A 17880 bytes
SHA-256: 9d1f455011f0aa7862855f259ab9ea2efa3be9ec050c3ec97e4c793879e57b5c