Malicious PDF — malware analysis report

Static analysis result for SHA-256 99a915ff7140e7f8…

MALICIOUS

PDF

45.5 KB Created: 2021-06-04 01:25:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: eed2765ddd8d32cb6e4f56de6205d476 SHA-1: 3bb45eef687bee9d5acca03ae42d3b2ccc340d86 SHA-256: 99a915ff7140e7f8b303d2d4441e816a3a5080c9e5caf190362b118373400860
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a prominent link disguised as a game hack generator, which is a common lure for phishing or malware distribution. The ML classifier also flagged the PDF as malicious. While no scripts were directly extracted, the PDF structure and embedded URI heuristics indicate a malicious intent to redirect the user to a potentially harmful external resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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.online/app/406889139/how-to-get-free-spins-in-coin-master-game-hack PDF link annotation
    • https://www.labdagatismk1pundong.com/repository/free-robux-rewards_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/robux-fun-hack_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-free-2021-spin-link_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-daily-free-spins-link-download_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/can-you-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-get-coin-master-free-spins-in-email_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/pubg-uc-zam_GM1330123889.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/free-robux-2021_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/easy-robux-generator_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/hack-crack-for-coin-master-currency_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/minecraft-free-download-mobile_GM479516143.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005509.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5509 25992 bytes
SHA-256: d46b1be07d299f1b9556f840a60c0bbd8ff73ccad1bc5e3dde54ce5295787894
font_01_sfnt_off00009034.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9034 18052 bytes
SHA-256: 52b27d49d658c5dd219fe1685a79a71966a386845fdc62a41335e5719e4d5001

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