Malicious PDF — malware analysis report

Static analysis result for SHA-256 468d9f3b53a2a4e5…

MALICIOUS

PDF

42.5 KB Created: 2021-05-13 17:15:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7fab28ffd98b697aa81809327bcc03b9 SHA-1: 0abe41bc12cb4cdc5e5f9bc89278f839431688bb SHA-256: 468d9f3b53a2a4e5a5838e21d4cc1a0b05439229bfac12b6686539f1e9d29a98
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/406889139/coin-master-hack-unlimited-spins-game-download-game-hack PDF link annotation
    • https://hbpbenin.com/images/free-spins-coin-master-twitter_GM406889139.pdfIn PDF document text
    • https://hbpbenin.com/images/master-8-ball-pool-free-coins_GM406889139.pdfIn PDF document text
    • https://hbpbenin.com/images/is-minecraft-free-on-mac_GM479516143.pdfIn PDF document text
    • https://hbpbenin.com/images/minecraft-ore-finder-mod_GM479516143.pdfIn PDF document text
    • https://hbpbenin.com/images/www-robux_GM431946152.pdfIn PDF document text
    • https://hbpbenin.com/images/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
    • https://hbpbenin.com/images/how-many-levels-in-coin-master_GM406889139.pdfIn PDF document text
    • https://hbpbenin.com/images/coin-master-hack-com_GM406889139.pdfIn PDF document text
    • https://hbpbenin.com/images/coin-master-vip-hack_GM406889139.pdfIn PDF document text
    • https://hbpbenin.com/images/haktuts-coin-master-free-spin-link-today_GM406889139.pdfIn PDF document text
    • https://hbpbenin.com/images/coin-master-hack-online-download_GM406889139.pdfIn PDF document text
    • https://hbpbenin.com/images/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdfIn PDF document text
    • https://hbpbenin.com/images/coin-master-spin-blogspot_GM406889139.pdfIn PDF document text
    • https://hbpbenin.com/images/free-minecraft-client_GM479516143.pdfIn PDF document text
    • https://hbpbenin.com/images/pop-slots-free-vegas-casino-slots-machine-game-coin-master_GM406889139.pdfIn PDF document text
    • https://hbpbenin.com/images/where-to-get-robux_GM431946152.pdfIn PDF document text
    • https://hbpbenin.com/images/get-more-robux_GM431946152.pdfIn PDF document text
    • https://hbpbenin.com/images/free-robux-survey_GM431946152.pdfIn PDF document text
    • https://hbpbenin.com/images/minecraft-apk-download-free-11-055_GM479516143.pdfIn PDF document text
    • https://hbpbenin.com/images/coin-master-mod-apk-latest-version-free-download_GM406889139.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_off000048c7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48C7 25004 bytes
SHA-256: c82ebcfc0b462af8a907c64409395b4d4214a22f798e15a9a5f1e767473b5c2f
font_01_sfnt_off000081d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81D6 18916 bytes
SHA-256: bde0eed1bfad508078df2378b9fcc27a2ef02f44c57d1a1bbad0912f0d0a144b

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