Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2a0048318cfec6f…

MALICIOUS

PDF

51.8 KB Created: 2021-05-14 21:02:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 345d108ac6886a83b031ed100578925f SHA-1: d3f3f1d81970d9d508dc5cd0379bdb9297ee9cd8 SHA-256: e2a0048318cfec6fb80d8a21c629deb1f0f1e46c6f373e7b17b51b55f4e8f15b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to external websites, including one identified as a 'free generator / game hack' lure. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lures suggest an attempt to redirect the user to malicious content, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8646

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/free-minecraft-domain-game-hack PDF link annotation
    • http://italyfixer.com/images/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/toolbox-for-minecraft-windows-10_GM479516143.pdfIn PDF document text
    • http://italyfixer.com/images/aimbot-exe-roblox_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-email-free-spins_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/free-roblox_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/worst-roblox-avatars_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/free-coins_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://italyfixer.com/images/20210-free-spin-links-for-coin-master_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-free-bonus_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/free-free-robux_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/roblox-18_GM431946152.pdfIn PDF document text
    • http://italyfixer.com/images/coin-master-free-chip_GM406889139.pdfIn PDF document text
    • http://italyfixer.com/images/coinmaster-spin-ml-free_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000494c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x494C 24628 bytes
SHA-256: 2bffbdbc88a1459e736646686dabbc36796096b8a2ecba565bd060049806f8a9
font_01_sfnt_off0000810b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x810B 7936 bytes
SHA-256: 218d53b68bdddb064f6fba4be822d5b3725ed1cef1a3b42796a8dd99c4a62f4e
font_02_sfnt_off00009a34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A34 4232 bytes
SHA-256: ab6320ab342704d2c5943abfba82ed4837bf2da871c91621741fd4cfd15c6ed5
font_03_sfnt_off0000a8c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA8C0 18140 bytes
SHA-256: 76c28744f84ad7629b6da3b9b5fa316c70ee5e9c8c86c1afc77ec6d129fcd0f8

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