Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed296205db5bcdfd…

MALICIOUS

PDF

44.8 KB Created: 2021-05-12 20:03:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 0c810e14cc63db93a22bf7bd5a0ac39e SHA-1: 11433e02b16f6d08f8c7bfd301f41001731f8961 SHA-256: ed296205db5bcdfda7a4097f0d640839039ea86c9936d7f3de07604ee6978fd7
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 0.9632

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/how-to-get-free-coins-in-minecraft-game-hack PDF link annotation
    • http://sfsbm.org/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
    • http://sfsbm.org/images/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • http://sfsbm.org/images/how-to-hack-coin-master-computer_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/new-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/what-is-wurst_GM479516143.pdfIn PDF document text
    • http://sfsbm.org/images/how-to-get-roblox-premium-for-free_GM431946152.pdfIn PDF document text
    • http://sfsbm.org/images/facebook-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/coin-master-ios-gods-hack_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/coin-master-free-link_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/free-spin-coin-master-twitter_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://sfsbm.org/images/card-hack-in-coin-master_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/how-to-get-free-roblox-gift-cards_GM431946152.pdfIn PDF document text
    • http://sfsbm.org/images/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
    • http://sfsbm.org/images/coin-master-free-food-for-pet_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/minecraft-free-download-linux_GM479516143.pdfIn PDF document text
    • http://sfsbm.org/images/get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://sfsbm.org/images/best-free-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://sfsbm.org/images/minecraft-app-store-free_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004b62.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B62 25260 bytes
SHA-256: 010bbbc2fa8f52e7bf1b574111fd22bf37e5a1627ec43d8a68fd86769e08489b
font_01_sfnt_off00008414.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8414 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00008dc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DC6 17872 bytes
SHA-256: 1b721abad2735a8fbe19a03a2bac086d9eea3fd34ae873613b34203f1596ee94

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