Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae78df99aa824949…

MALICIOUS

PDF

47.4 KB Created: 2021-05-15 05:06:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 5ee495175b6b574beeb79a509fc0233b SHA-1: 2ab10800dd34f8a77a71b456cde01a0015b419d9 SHA-256: ae78df99aa824949bc1390d4b5db6e98019c1c0b454e4bed76c37c5bb6f09e08
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document employs a lure related to "Roblox Hacking" to entice users to click on a link. The link redirects to a malicious domain, likely serving as a gateway for further malicious activity such as malware downloads or phishing. The ML classifier strongly indicated maliciousness, and the presence of external URI heuristics confirms the redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9013

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/431946152/roblox-hacking-website-game-hack PDF link annotation
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/free-hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/coin-master-free-spins-and-chips_GM406889139.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/get-free-robux-today_GM431946152.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/best-way-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/free-roblox-shirt-templates_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/how-to-get-free-snacks-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/mcpe-hack-client_GM479516143.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/coin-master-free-spins-link-2021-hack_GM406889139.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/minecraft-pe-hack-client-2021_GM479516143.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/hack-coin-master-game_GM406889139.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-app-2021_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/instagram-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/roblox-games-com-free_GM431946152.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/hack-master-coin_GM406889139.pdfIn PDF document text
    • https://pasangindovisionjogja.com/ckfinder/userfiles/files/how-to-make-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/coin-master-free-spain_GM406889139.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
stream_003_off00004cde.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CDE 25576 bytes
SHA-256: dcfbab36283e8e00dcdc46082382d0a24ded59ae2d4b0aa2d79a6fbec32ba176
font_01_sfnt_off00008756.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8756 4084 bytes
SHA-256: 28a1d3febbe40349fea0e4ff6992cdfc85b65058982769d7c90c78a3cb5ce4ff
font_02_sfnt_off000094c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94C7 18892 bytes
SHA-256: e7d47ce6402ad6c34a9dd837b4455ddf5104770abd157e72eb2d384f2e13ef46

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