Malicious PDF — malware analysis report

Static analysis result for SHA-256 297e264edd14242e…

MALICIOUS

PDF

43.1 KB Created: 2021-05-13 03:05:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 09718d4305dab751bfc6999138cb044f SHA-1: 6c74d4923f87e66caf84a835e45a625d51fe7ed3 SHA-256: 297e264edd14242e4d4964b65169f94b2b5ffd6c304c4024065b9b1aefdef2e2
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains heuristics indicating it is malicious and uses a 'free generator / game hack' lure to redirect users to external URLs. The document body and embedded links point to sites offering 'free Robux' or game hacks, which are common pretexts for phishing or malware distribution. The primary malicious URL identified is https://netcdn.xyz/app/431946152/rbxoffers-com-free-robux-game-hack.

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/431946152/rbxoffers-com-free-robux-game-hack PDF link annotation
    • https://www.acacss.com/images/how-to-get-free-robux-without-verifying-2021_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/robux-com-free-robux_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/minecraft-pocket-edition-free-apk_GM479516143.pdfIn PDF document text
    • https://www.acacss.com/images/easy-roblox-today_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/coin-master-play-online-free_GM406889139.pdfIn PDF document text
    • https://www.acacss.com/images/free-robux-survey_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.acacss.com/images/coin-master-game-hack-kaise-kare_GM406889139.pdfIn PDF document text
    • https://www.acacss.com/images/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/minecraft-windows-free_GM479516143.pdfIn PDF document text
    • https://www.acacss.com/images/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/freegames911com-coinmastertipsandcheats2021freecoinsandspins_GM406889139.pdfIn PDF document text
    • https://www.acacss.com/images/claim-robux_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/get-free-robux-now_GM431946152.pdfIn PDF document text
    • https://www.acacss.com/images/coin-master-hack-online-generator-without-human-verification_GM406889139.pdfIn PDF document text
    • https://www.acacss.com/images/coin-master-hack-online-without-human-verification_GM406889139.pdfIn PDF document text
    • https://www.acacss.com/images/haktuts-free-spins_GM406889139.pdfIn PDF document text
    • https://collectrobux.coIn 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_off000048c2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48C2 26144 bytes
SHA-256: 85abd304244a64990e6911ecd126266511ca02c075a95bcf9f209d534357cb5b
font_01_sfnt_off00008644.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8644 18276 bytes
SHA-256: 33587a0de9fe244dccc6feb4df3ae622cc669a227e305313b85abf77a5936fbf

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