Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ac71e9f524e0eef…

MALICIOUS

PDF

47.1 KB Created: 2021-05-11 00:01:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 17886ae70311428d0a302f0691f912b8 SHA-1: c440605988c145c7331a77490f4bb515f768a10b SHA-256: 7ac71e9f524e0eef5c980858894364bac24809068aadcb659ee5c575ba6c62e6
82 Risk Score

Malware Insights

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

The PDF document contains multiple links and a lure related to game hacks and free currency, strongly suggesting a social engineering tactic to trick users into downloading potentially malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, but the embedded links are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/download-apps-for-robux-game-hack PDF link annotation
    • https://www.labdagatismk1pundong.com/repository/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/how-to-create-group-in-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-spin-link_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/bux-gg-robux-free_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master-free-coins-links-2021_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master-daily-free-spins-link-today-haktuts_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-get-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-promo-codes-for-coin-master_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master--hack_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/pasos-para-hackear-coins-master_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/how-to-earn-robux-by-playing-games_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/free-robux-script_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004870.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4870 27796 bytes
SHA-256: 78c84aad21c1ffcf41b727b97092cd0e1b1b0b07c59757860be9eaec0210384c
font_01_sfnt_off000086d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86D2 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off0000937a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x937A 18996 bytes
SHA-256: ea235c61f7ee6ff97cb8e2e4b8381115f9ce59fc272e8f2939e83a9622de1179

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