Malicious PDF — malware analysis report

Static analysis result for SHA-256 0463ec4eded02597…

MALICIOUS

PDF

41.9 KB Created: 2021-05-12 00:07:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: db66ef8b4ea748c6c270f8efbdd00c19 SHA-1: 655cf57a105da63dafe892dbc4e4bdb8b24df1bf SHA-256: 0463ec4eded02597b9fd5dbf3e69104c9ec8fbd277225044a1fb58ccc5cc1b39
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 0.9971

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/479516143/minecraft-free-play-no-download-game-hack PDF link annotation
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-apk-hack-2021_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-hack-100-working_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/get-free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/coin-master-spin-blogspot_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-robux-gift-card_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/free-roblox-cards-pin-number_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/how-to-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/coin-master-key-free-spin_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/robux-come_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/minecraft-building-hacks_GM479516143.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-shirt-template-free_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/how-to-hack-coin-master-facebook_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana/repository/www-roblox-robux_GM431946152.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.pspmrsmmbk.com/cendana//repository/free-old-roblox-accounts_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_off00004a20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A20 24040 bytes
SHA-256: 6e736ae717c9d6f7b37cab8ecb9ddb5785f140d4b5816f3d89bd4d0e147d7638
font_01_sfnt_off00008082.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8082 18624 bytes
SHA-256: fbb9b780a0bb14823a54994ffd1331078a17861a297534d48eb4e2856c7fc06d

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